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href="/wiki/%D0%9D%D0%B0%D1%87%D0%B0%D0%BB%D0%BD%D0%B0_%D1%81%D1%82%D1%80%D0%B0%D0%BD%D0%B8%D1%86%D0%B0" class="mw-logo"> <img class="mw-logo-icon" src="/static/images/icons/wikipedia.png" alt="" aria-hidden="true" height="50" width="50"> <span class="mw-logo-container skin-invert"> <img class="mw-logo-wordmark" alt="Уикипедия" src="/static/images/mobile/copyright/wikipedia-wordmark-bg.svg" style="width: 7.5em; height: 1.3125em;"> <img class="mw-logo-tagline" alt="Свободната енциклопедия" src="/static/images/mobile/copyright/wikipedia-tagline-bg.svg" width="120" height="12" style="width: 7.5em; height: 0.75em;"> </span> </a> </div> <div class="vector-header-end"> <div id="p-search" role="search" class="vector-search-box-vue vector-search-box-collapses vector-search-box-show-thumbnail vector-search-box-auto-expand-width vector-search-box"> <a href="/wiki/%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:%D0%A2%D1%8A%D1%80%D1%81%D0%B5%D0%BD%D0%B5" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only search-toggle" title="Претърсване на Уикипедия [f]" accesskey="f"><span class="vector-icon mw-ui-icon-search mw-ui-icon-wikimedia-search"></span> <span>Търсене</span> </a> <div class="vector-typeahead-search-container"> <div class="cdx-typeahead-search cdx-typeahead-search--show-thumbnail cdx-typeahead-search--auto-expand-width"> <form action="/w/index.php" id="searchform" class="cdx-search-input cdx-search-input--has-end-button"> <div id="simpleSearch" class="cdx-search-input__input-wrapper" data-search-loc="header-moved"> <div class="cdx-text-input cdx-text-input--has-start-icon"> <input class="cdx-text-input__input" type="search" name="search" placeholder="Търсене в Уикипедия" aria-label="Търсене в Уикипедия" autocapitalize="sentences" title="Претърсване на Уикипедия [f]" accesskey="f" id="searchInput" > <span class="cdx-text-input__icon cdx-text-input__start-icon"></span> </div> <input type="hidden" name="title" value="Специални:Търсене"> </div> <button class="cdx-button cdx-search-input__end-button">Търсене</button> </form> </div> </div> </div> <nav class="vector-user-links vector-user-links-wide" aria-label="Лични инструменти"> <div class="vector-user-links-main"> <div id="p-vector-user-menu-preferences" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-userpage" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <nav class="vector-appearance-landmark" aria-label="Облик"> <div id="vector-appearance-dropdown" class="vector-dropdown " title="Change the appearance of the page's font size, width, and color" > <input type="checkbox" id="vector-appearance-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-appearance-dropdown" class="vector-dropdown-checkbox " aria-label="Облик" > <label id="vector-appearance-dropdown-label" for="vector-appearance-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-appearance mw-ui-icon-wikimedia-appearance"></span> <span class="vector-dropdown-label-text">Облик</span> </label> <div class="vector-dropdown-content"> <div id="vector-appearance-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <div id="p-vector-user-menu-notifications" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-overflow" class="vector-menu mw-portlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_bg.wikipedia.org&uselang=bg" class=""><span>Направете дарение</span></a> </li> <li id="pt-createaccount-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:%D0%A1%D1%8A%D0%B7%D0%B4%D0%B0%D0%B2%D0%B0%D0%BD%D0%B5_%D0%BD%D0%B0_%D1%81%D0%BC%D0%B5%D1%82%D0%BA%D0%B0&returnto=%D0%94%D0%B8%D0%B5%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%87%D0%BD%D0%B0+%D0%BF%D1%80%D0%BE%D0%BD%D0%B8%D1%86%D0%B0%D0%B5%D0%BC%D0%BE%D1%81%D1%82" title="Насърчаваме Ви да си създадете сметка и да влезете, въпреки че не е задължително." class=""><span>Създаване на сметка</span></a> </li> <li id="pt-login-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:%D0%A0%D0%B5%D0%B3%D0%B8%D1%81%D1%82%D1%80%D0%B8%D1%80%D0%B0%D0%BD%D0%B5_%D0%B8%D0%BB%D0%B8_%D0%B2%D0%BB%D0%B8%D0%B7%D0%B0%D0%BD%D0%B5&returnto=%D0%94%D0%B8%D0%B5%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%87%D0%BD%D0%B0+%D0%BF%D1%80%D0%BE%D0%BD%D0%B8%D1%86%D0%B0%D0%B5%D0%BC%D0%BE%D1%81%D1%82" title="Препоръчваме Ви да влезете, въпреки, че не е задължително. [o]" accesskey="o" class=""><span>Влизане</span></a> </li> </ul> </div> </div> </div> <div id="vector-user-links-dropdown" class="vector-dropdown vector-user-menu vector-button-flush-right vector-user-menu-logged-out" title="Допълнителни опции" > <input type="checkbox" id="vector-user-links-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-user-links-dropdown" class="vector-dropdown-checkbox " aria-label="Лични инструменти" > <label id="vector-user-links-dropdown-label" for="vector-user-links-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-ellipsis mw-ui-icon-wikimedia-ellipsis"></span> <span class="vector-dropdown-label-text">Лични инструменти</span> </label> <div class="vector-dropdown-content"> <div id="p-personal" class="vector-menu mw-portlet mw-portlet-personal user-links-collapsible-item" title="Потребителско меню" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport" class="user-links-collapsible-item mw-list-item"><a href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_bg.wikipedia.org&uselang=bg"><span>Направете дарение</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:%D0%A1%D1%8A%D0%B7%D0%B4%D0%B0%D0%B2%D0%B0%D0%BD%D0%B5_%D0%BD%D0%B0_%D1%81%D0%BC%D0%B5%D1%82%D0%BA%D0%B0&returnto=%D0%94%D0%B8%D0%B5%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%87%D0%BD%D0%B0+%D0%BF%D1%80%D0%BE%D0%BD%D0%B8%D1%86%D0%B0%D0%B5%D0%BC%D0%BE%D1%81%D1%82" title="Насърчаваме Ви да си създадете сметка и да влезете, въпреки че не е задължително."><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Създаване на сметка</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:%D0%A0%D0%B5%D0%B3%D0%B8%D1%81%D1%82%D1%80%D0%B8%D1%80%D0%B0%D0%BD%D0%B5_%D0%B8%D0%BB%D0%B8_%D0%B2%D0%BB%D0%B8%D0%B7%D0%B0%D0%BD%D0%B5&returnto=%D0%94%D0%B8%D0%B5%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%87%D0%BD%D0%B0+%D0%BF%D1%80%D0%BE%D0%BD%D0%B8%D1%86%D0%B0%D0%B5%D0%BC%D0%BE%D1%81%D1%82" title="Препоръчваме Ви да влезете, въпреки, че не е задължително. [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Влизане</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Страници за излезли от системата редактори <a href="/wiki/%D0%9F%D0%BE%D0%BC%D0%BE%D1%89:%D0%92%D1%8A%D0%B2%D0%B5%D0%B4%D0%B5%D0%BD%D0%B8%D0%B5" aria-label="Научете повече за редактирането"><span>научете повече</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:%D0%9C%D0%BE%D0%B8%D1%82%D0%B5_%D0%BF%D1%80%D0%B8%D0%BD%D0%BE%D1%81%D0%B8" title="Списък на промените, направени от този IP адрес [y]" accesskey="y"><span>Приноси</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:%D0%9C%D0%BE%D1%8F%D1%82%D0%B0_%D0%B1%D0%B5%D1%81%D0%B5%D0%B4%D0%B0" title="Дискусия относно редакциите от този адрес [n]" accesskey="n"><span>Беседа</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Сайт"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Съдържание" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Съдържание</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">преместване към страничната лента</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">скриване</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">Начало</div> </a> </li> <li id="toc-Източници" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Източници"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Източници</span> </div> </a> <ul id="toc-Източници-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Вижте_също" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Вижте_също"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Вижте също</span> </div> </a> <ul id="toc-Вижте_също-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Външни_препратки" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Външни_препратки"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Външни препратки</span> </div> </a> <ul id="toc-Външни_препратки-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Съдържание" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Скриване/показване на съдържанието" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Скриване/показване на съдържанието</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Диелектрична проницаемост</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Към статията на друг език. Налична на 46 езика" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-46" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">46 езика</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%B3%D9%85%D8%A7%D8%AD%D9%8A%D8%A9" title="سماحية – арабски" lang="ar" hreflang="ar" data-title="سماحية" data-language-autonym="العربية" data-language-local-name="арабски" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-as mw-list-item"><a href="https://as.wikipedia.org/wiki/%E0%A6%AA%E0%A7%8D%E0%A7%B0%E0%A7%B1%E0%A7%87%E0%A6%B6%E0%A7%8D%E0%A6%AF%E0%A6%A4%E0%A6%BE" title="প্ৰৱেশ্যতা – асамски" lang="as" hreflang="as" data-title="প্ৰৱেশ্যতা" data-language-autonym="অসমীয়া" data-language-local-name="асамски" class="interlanguage-link-target"><span>অসমীয়া</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%94%D1%8B%D1%8D%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D1%8B%D1%87%D0%BD%D0%B0%D1%8F_%D0%BF%D1%80%D0%B0%D0%BD%D1%96%D0%BA%D0%B0%D0%BB%D1%8C%D0%BD%D0%B0%D1%81%D1%86%D1%8C" title="Дыэлектрычная пранікальнасць – беларуски" lang="be" hreflang="be" data-title="Дыэлектрычная пранікальнасць" data-language-autonym="Беларуская" data-language-local-name="беларуски" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/%D0%94%D1%8B%D1%8D%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D1%8B%D1%87%D0%BD%D0%B0%D1%8F_%D0%BF%D1%80%D0%B0%D0%BD%D1%96%D0%BA%D0%B0%D0%BB%D1%8C%D0%BD%D0%B0%D1%81%D1%8C%D1%86%D1%8C" title="Дыэлектрычная пранікальнасьць – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Дыэлектрычная пранікальнасьць" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="Belarusian (Taraškievica orthography)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Permitivitat" title="Permitivitat – каталонски" lang="ca" hreflang="ca" data-title="Permitivitat" data-language-autonym="Català" data-language-local-name="каталонски" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Permitivita" title="Permitivita – чешки" lang="cs" hreflang="cs" data-title="Permitivita" data-language-autonym="Čeština" data-language-local-name="чешки" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-cv mw-list-item"><a href="https://cv.wikipedia.org/wiki/%D0%94%D0%B8%D1%8D%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D0%BA%D0%BB%D0%B5_%D0%B2%D0%B8%D1%82%D0%B5%D1%80%D0%B5%D1%81%D0%BB%C4%95%D1%85" title="Диэлектрикле витереслĕх – чувашки" lang="cv" hreflang="cv" data-title="Диэлектрикле витереслĕх" data-language-autonym="Чӑвашла" data-language-local-name="чувашки" class="interlanguage-link-target"><span>Чӑвашла</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Permittivitet" title="Permittivitet – датски" lang="da" hreflang="da" data-title="Permittivitet" data-language-autonym="Dansk" data-language-local-name="датски" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Permittivit%C3%A4t" title="Permittivität – немски" lang="de" hreflang="de" data-title="Permittivität" data-language-autonym="Deutsch" data-language-local-name="немски" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Permittivity" title="Permittivity – английски" lang="en" hreflang="en" data-title="Permittivity" data-language-autonym="English" data-language-local-name="английски" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Permitividad" title="Permitividad – испански" lang="es" hreflang="es" data-title="Permitividad" data-language-autonym="Español" data-language-local-name="испански" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Dielektriline_l%C3%A4bitavus" title="Dielektriline läbitavus – естонски" lang="et" hreflang="et" data-title="Dielektriline läbitavus" data-language-autonym="Eesti" data-language-local-name="естонски" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%DA%AF%D8%B0%D8%B1%D8%AF%D9%87%DB%8C_(%D9%81%DB%8C%D8%B2%DB%8C%DA%A9)" title="گذردهی (فیزیک) – персийски" lang="fa" hreflang="fa" data-title="گذردهی (فیزیک)" data-language-autonym="فارسی" data-language-local-name="персийски" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Permittiivisyys" title="Permittiivisyys – фински" lang="fi" hreflang="fi" data-title="Permittiivisyys" data-language-autonym="Suomi" data-language-local-name="фински" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Permittivit%C3%A9" title="Permittivité – френски" lang="fr" hreflang="fr" data-title="Permittivité" data-language-autonym="Français" data-language-local-name="френски" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Ceada%C3%ADocht" title="Ceadaíocht – ирландски" lang="ga" hreflang="ga" data-title="Ceadaíocht" data-language-autonym="Gaeilge" data-language-local-name="ирландски" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%9E%D7%A7%D7%93%D7%9D_%D7%93%D7%99%D7%90%D7%9C%D7%A7%D7%98%D7%A8%D7%99" title="מקדם דיאלקטרי – иврит" lang="he" hreflang="he" data-title="מקדם דיאלקטרי" data-language-autonym="עברית" data-language-local-name="иврит" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%B5%E0%A4%BF%E0%A4%A6%E0%A5%8D%E0%A4%AF%E0%A5%81%E0%A4%A4%E0%A4%B6%E0%A5%80%E0%A4%B2%E0%A4%A4%E0%A4%BE" title="विद्युतशीलता – хинди" lang="hi" hreflang="hi" data-title="विद्युतशीलता" data-language-autonym="हिन्दी" data-language-local-name="хинди" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Permitivnosti" title="Permitivnosti – хърватски" lang="hr" hreflang="hr" data-title="Permitivnosti" data-language-autonym="Hrvatski" data-language-local-name="хърватски" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Permittivit%C3%A1s" title="Permittivitás – унгарски" lang="hu" hreflang="hu" data-title="Permittivitás" data-language-autonym="Magyar" data-language-local-name="унгарски" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D4%B4%D5%AB%D5%A7%D5%AC%D5%A5%D5%AF%D5%BF%D6%80%D5%A1%D5%AF%D5%A1%D5%B6_%D5%A9%D5%A1%D6%83%D5%A1%D5%B6%D6%81%D5%A5%D5%AC%D5%AB%D5%B8%D6%82%D5%A9%D5%B5%D5%B8%D6%82%D5%B6" title="Դիէլեկտրական թափանցելիություն – арменски" lang="hy" hreflang="hy" data-title="Դիէլեկտրական թափանցելիություն" data-language-autonym="Հայերեն" data-language-local-name="арменски" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Permitivitas" title="Permitivitas – индонезийски" lang="id" hreflang="id" data-title="Permitivitas" data-language-autonym="Bahasa Indonesia" data-language-local-name="индонезийски" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/Rafsv%C3%B6runarstu%C3%B0ull" title="Rafsvörunarstuðull – исландски" lang="is" hreflang="is" data-title="Rafsvörunarstuðull" data-language-autonym="Íslenska" data-language-local-name="исландски" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Permittivit%C3%A0_elettrica" title="Permittività elettrica – италиански" lang="it" hreflang="it" data-title="Permittività elettrica" data-language-autonym="Italiano" data-language-local-name="италиански" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E8%AA%98%E9%9B%BB%E7%8E%87" title="誘電率 – японски" lang="ja" hreflang="ja" data-title="誘電率" data-language-autonym="日本語" data-language-local-name="японски" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%9C%A0%EC%A0%84%EC%9C%A8" title="유전율 – корейски" lang="ko" hreflang="ko" data-title="유전율" data-language-autonym="한국어" data-language-local-name="корейски" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%94%D0%B8%D0%B5%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%87%D0%BD%D0%B0_%D1%81%D0%BF%D1%80%D0%BE%D0%B2%D0%BE%D0%B4%D0%BB%D0%B8%D0%B2%D0%BE%D1%81%D1%82" title="Диелектрична спроводливост – македонски" lang="mk" hreflang="mk" data-title="Диелектрична спроводливост" data-language-autonym="Македонски" data-language-local-name="македонски" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Ketelusan" title="Ketelusan – малайски" lang="ms" hreflang="ms" data-title="Ketelusan" data-language-autonym="Bahasa Melayu" data-language-local-name="малайски" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Permittiviteit" title="Permittiviteit – нидерландски" lang="nl" hreflang="nl" data-title="Permittiviteit" data-language-autonym="Nederlands" data-language-local-name="нидерландски" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Permittivitet" title="Permittivitet – норвежки (нюношк)" lang="nn" hreflang="nn" data-title="Permittivitet" data-language-autonym="Norsk nynorsk" data-language-local-name="норвежки (нюношк)" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Permittivitet" title="Permittivitet – норвежки (букмол)" lang="nb" hreflang="nb" data-title="Permittivitet" data-language-autonym="Norsk bokmål" data-language-local-name="норвежки (букмол)" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Przenikalno%C5%9B%C4%87_elektryczna" title="Przenikalność elektryczna – полски" lang="pl" hreflang="pl" data-title="Przenikalność elektryczna" data-language-autonym="Polski" data-language-local-name="полски" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Permissividade" title="Permissividade – португалски" lang="pt" hreflang="pt" data-title="Permissividade" data-language-autonym="Português" data-language-local-name="португалски" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Permitivitate_(electromagnetism)" title="Permitivitate (electromagnetism) – румънски" lang="ro" hreflang="ro" data-title="Permitivitate (electromagnetism)" data-language-autonym="Română" data-language-local-name="румънски" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%94%D0%B8%D1%8D%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%B0%D1%8F_%D0%BF%D1%80%D0%BE%D0%BD%D0%B8%D1%86%D0%B0%D0%B5%D0%BC%D0%BE%D1%81%D1%82%D1%8C" title="Диэлектрическая проницаемость – руски" lang="ru" hreflang="ru" data-title="Диэлектрическая проницаемость" data-language-autonym="Русский" data-language-local-name="руски" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Permitivnost" title="Permitivnost – сърбохърватски" lang="sh" hreflang="sh" data-title="Permitivnost" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="сърбохърватски" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Permitivita" title="Permitivita – словашки" lang="sk" hreflang="sk" data-title="Permitivita" data-language-autonym="Slovenčina" data-language-local-name="словашки" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Dielektri%C4%8Dnost" title="Dielektričnost – словенски" lang="sl" hreflang="sl" data-title="Dielektričnost" data-language-autonym="Slovenščina" data-language-local-name="словенски" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Permitiviteti" title="Permitiviteti – албански" lang="sq" hreflang="sq" data-title="Permitiviteti" data-language-autonym="Shqip" data-language-local-name="албански" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Permittivitet" title="Permittivitet – шведски" lang="sv" hreflang="sv" data-title="Permittivitet" data-language-autonym="Svenska" data-language-local-name="шведски" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%AA%E0%B8%A0%E0%B8%B2%E0%B8%9E%E0%B8%A2%E0%B8%AD%E0%B8%A1" title="สภาพยอม – тайски" lang="th" hreflang="th" data-title="สภาพยอม" data-language-autonym="ไทย" data-language-local-name="тайски" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Yal%C4%B1tkanl%C4%B1k_sabiti" title="Yalıtkanlık sabiti – турски" lang="tr" hreflang="tr" data-title="Yalıtkanlık sabiti" data-language-autonym="Türkçe" data-language-local-name="турски" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%90%D0%B1%D1%81%D0%BE%D0%BB%D1%8E%D1%82%D0%BD%D0%B0_%D0%B4%D1%96%D0%B5%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%87%D0%BD%D0%B0_%D0%BF%D1%80%D0%BE%D0%BD%D0%B8%D0%BA%D0%BD%D1%96%D1%81%D1%82%D1%8C" title="Абсолютна діелектрична проникність – украински" lang="uk" hreflang="uk" data-title="Абсолютна діелектрична проникність" data-language-autonym="Українська" data-language-local-name="украински" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/%C4%90%E1%BB%99_%C4%91i%E1%BB%87n_th%E1%BA%A9m" title="Độ điện thẩm – виетнамски" lang="vi" hreflang="vi" data-title="Độ điện thẩm" data-language-autonym="Tiếng Việt" data-language-local-name="виетнамски" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E7%94%B5%E5%AE%B9%E7%8E%87" title="电容率 – китайски" lang="zh" hreflang="zh" data-title="电容率" data-language-autonym="中文" data-language-local-name="китайски" class="interlanguage-link-target"><span>中文</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E9%9B%BB%E5%AE%B9%E7%8E%87" title="電容率 – кантонски" lang="yue" hreflang="yue" data-title="電容率" data-language-autonym="粵語" data-language-local-name="кантонски" class="interlanguage-link-target"><span>粵語</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q211569#sitelinks-wikipedia" title="Редактиране на междуезиковите препратки" class="wbc-editpage">Редактиране</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Именни пространства"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/%D0%94%D0%B8%D0%B5%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%87%D0%BD%D0%B0_%D0%BF%D1%80%D0%BE%D0%BD%D0%B8%D1%86%D0%B0%D0%B5%D0%BC%D0%BE%D1%81%D1%82" title="Преглед на основната страница [c]" accesskey="c"><span>Статия</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/%D0%91%D0%B5%D1%81%D0%B5%D0%B4%D0%B0:%D0%94%D0%B8%D0%B5%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%87%D0%BD%D0%B0_%D0%BF%D1%80%D0%BE%D0%BD%D0%B8%D1%86%D0%B0%D0%B5%D0%BC%D0%BE%D1%81%D1%82" rel="discussion" title="Беседа за страницата [t]" accesskey="t"><span>Беседа</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Промяна на езиковия вариант" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">български</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="Прегледи"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/%D0%94%D0%B8%D0%B5%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%87%D0%BD%D0%B0_%D0%BF%D1%80%D0%BE%D0%BD%D0%B8%D1%86%D0%B0%D0%B5%D0%BC%D0%BE%D1%81%D1%82"><span>Преглед</span></a></li><li id="ca-ve-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=%D0%94%D0%B8%D0%B5%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%87%D0%BD%D0%B0_%D0%BF%D1%80%D0%BE%D0%BD%D0%B8%D1%86%D0%B0%D0%B5%D0%BC%D0%BE%D1%81%D1%82&veaction=edit" title="Редактиране на страницата [v]" accesskey="v"><span>Редактиране</span></a></li><li id="ca-edit" class="collapsible vector-tab-noicon mw-list-item"><a href="/w/index.php?title=%D0%94%D0%B8%D0%B5%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%87%D0%BD%D0%B0_%D0%BF%D1%80%D0%BE%D0%BD%D0%B8%D1%86%D0%B0%D0%B5%D0%BC%D0%BE%D1%81%D1%82&action=edit" title="Редактиране на изходния код на страницата [e]" accesskey="e"><span>Редактиране на кода</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=%D0%94%D0%B8%D0%B5%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%87%D0%BD%D0%B0_%D0%BF%D1%80%D0%BE%D0%BD%D0%B8%D1%86%D0%B0%D0%B5%D0%BC%D0%BE%D1%81%D1%82&action=history" title="Предишни версии на страницата [h]" accesskey="h"><span>История</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Page tools"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="Инструменти" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Инструменти</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Инструменти</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">преместване към страничната лента</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">скриване</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="Допълнителни опции" > <div class="vector-menu-heading"> Действия </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/%D0%94%D0%B8%D0%B5%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%87%D0%BD%D0%B0_%D0%BF%D1%80%D0%BE%D0%BD%D0%B8%D1%86%D0%B0%D0%B5%D0%BC%D0%BE%D1%81%D1%82"><span>Преглед</span></a></li><li id="ca-more-ve-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=%D0%94%D0%B8%D0%B5%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%87%D0%BD%D0%B0_%D0%BF%D1%80%D0%BE%D0%BD%D0%B8%D1%86%D0%B0%D0%B5%D0%BC%D0%BE%D1%81%D1%82&veaction=edit" title="Редактиране на страницата [v]" accesskey="v"><span>Редактиране</span></a></li><li id="ca-more-edit" class="collapsible vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=%D0%94%D0%B8%D0%B5%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%87%D0%BD%D0%B0_%D0%BF%D1%80%D0%BE%D0%BD%D0%B8%D1%86%D0%B0%D0%B5%D0%BC%D0%BE%D1%81%D1%82&action=edit" title="Редактиране на изходния код на страницата [e]" accesskey="e"><span>Редактиране на кода</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=%D0%94%D0%B8%D0%B5%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%87%D0%BD%D0%B0_%D0%BF%D1%80%D0%BE%D0%BD%D0%B8%D1%86%D0%B0%D0%B5%D0%BC%D0%BE%D1%81%D1%82&action=history"><span>История</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> Основни </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:%D0%9A%D0%B0%D0%BA%D0%B2%D0%BE_%D1%81%D0%BE%D1%87%D0%B8_%D0%BD%D0%B0%D1%81%D0%B0%D0%BC/%D0%94%D0%B8%D0%B5%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%87%D0%BD%D0%B0_%D0%BF%D1%80%D0%BE%D0%BD%D0%B8%D1%86%D0%B0%D0%B5%D0%BC%D0%BE%D1%81%D1%82" title="Списък на всички страници, сочещи насам [j]" accesskey="j"><span>Какво сочи насам</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:%D0%A1%D0%B2%D1%8A%D1%80%D0%B7%D0%B0%D0%BD%D0%B8_%D0%BF%D1%80%D0%BE%D0%BC%D0%B5%D0%BD%D0%B8/%D0%94%D0%B8%D0%B5%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%87%D0%BD%D0%B0_%D0%BF%D1%80%D0%BE%D0%BD%D0%B8%D1%86%D0%B0%D0%B5%D0%BC%D0%BE%D1%81%D1%82" rel="nofollow" title="Последните промени на страници, сочени от тази страница [k]" accesskey="k"><span>Свързани промени</span></a></li><li id="t-upload" class="mw-list-item"><a href="/wiki/MediaWiki:Uploadtext" title="Качи файлове [u]" accesskey="u"><span>Качване на файл</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8_%D1%81%D1%82%D1%80%D0%B0%D0%BD%D0%B8%D1%86%D0%B8" title="Списък на всички специални страници [q]" accesskey="q"><span>Специални страници</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=%D0%94%D0%B8%D0%B5%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%87%D0%BD%D0%B0_%D0%BF%D1%80%D0%BE%D0%BD%D0%B8%D1%86%D0%B0%D0%B5%D0%BC%D0%BE%D1%81%D1%82&oldid=11452989" title="Постоянна препратка към тази версия на страницата"><span>Постоянна препратка</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=%D0%94%D0%B8%D0%B5%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%87%D0%BD%D0%B0_%D0%BF%D1%80%D0%BE%D0%BD%D0%B8%D1%86%D0%B0%D0%B5%D0%BC%D0%BE%D1%81%D1%82&action=info" title="Повече за тази страница"><span>Информация за страницата</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:%D0%A6%D0%B8%D1%82%D0%B8%D1%80%D0%B0%D0%BD%D0%B5&page=%D0%94%D0%B8%D0%B5%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%87%D0%BD%D0%B0_%D0%BF%D1%80%D0%BE%D0%BD%D0%B8%D1%86%D0%B0%D0%B5%D0%BC%D0%BE%D1%81%D1%82&id=11452989&wpFormIdentifier=titleform" title="Информация за начините за цитиране на тази страница"><span>Цитиране на статията</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:UrlShortener&url=https%3A%2F%2Fbg.wikipedia.org%2Fwiki%2F%25D0%2594%25D0%25B8%25D0%25B5%25D0%25BB%25D0%25B5%25D0%25BA%25D1%2582%25D1%2580%25D0%25B8%25D1%2587%25D0%25BD%25D0%25B0_%25D0%25BF%25D1%2580%25D0%25BE%25D0%25BD%25D0%25B8%25D1%2586%25D0%25B0%25D0%25B5%25D0%25BC%25D0%25BE%25D1%2581%25D1%2582"><span>Кратък URL адрес</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:QrCode&url=https%3A%2F%2Fbg.wikipedia.org%2Fwiki%2F%25D0%2594%25D0%25B8%25D0%25B5%25D0%25BB%25D0%25B5%25D0%25BA%25D1%2582%25D1%2580%25D0%25B8%25D1%2587%25D0%25BD%25D0%25B0_%25D0%25BF%25D1%2580%25D0%25BE%25D0%25BD%25D0%25B8%25D1%2586%25D0%25B0%25D0%25B5%25D0%25BC%25D0%25BE%25D1%2581%25D1%2582"><span>Изтегляне на QR код</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Отпечатване/изнасяне </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-create_a_book" class="mw-list-item"><a href="/w/index.php?title=%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:Book&bookcmd=book_creator&referer=%D0%94%D0%B8%D0%B5%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%87%D0%BD%D0%B0+%D0%BF%D1%80%D0%BE%D0%BD%D0%B8%D1%86%D0%B0%D0%B5%D0%BC%D0%BE%D1%81%D1%82"><span>Създаване на книга</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:DownloadAsPdf&page=%D0%94%D0%B8%D0%B5%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%87%D0%BD%D0%B0_%D0%BF%D1%80%D0%BE%D0%BD%D0%B8%D1%86%D0%B0%D0%B5%D0%BC%D0%BE%D1%81%D1%82&action=show-download-screen"><span>Изтегляне като PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=%D0%94%D0%B8%D0%B5%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%87%D0%BD%D0%B0_%D0%BF%D1%80%D0%BE%D0%BD%D0%B8%D1%86%D0%B0%D0%B5%D0%BC%D0%BE%D1%81%D1%82&printable=yes" title="Версия за печат на страницата [p]" accesskey="p"><span>Версия за печат</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> В други проекти </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q211569" title="Препратка към свързания обект от хранилището за данни [g]" accesskey="g"><span>Обект в Уикиданни</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Page tools"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Облик"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Облик</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">преместване към страничната лента</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">скриване</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">от Уикипедия, свободната енциклопедия</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="bg" dir="ltr"><p><b>Диелектричната проницаемост</b> е физична величина, описваща как <a href="/wiki/%D0%95%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%87%D0%BD%D0%BE_%D0%BF%D0%BE%D0%BB%D0%B5" class="mw-redirect" title="Електрично поле">електричното поле</a> влияе на <a href="/wiki/%D0%94%D0%B8%D0%B5%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D0%BA" title="Диелектрик">диелектрична</a> среда и как се променя самото то в резултат на това взаимодействие. Диелектричната проницаемост се определя от способността на материала да се <a href="/wiki/%D0%9F%D0%BE%D0%BB%D1%8F%D1%80%D0%B8%D0%B7%D0%B0%D1%86%D0%B8%D1%8F_(%D0%B4%D0%B8%D0%B5%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%86%D0%B8)" title="Поляризация (диелектрици)">поляризира</a> в резултат от приложеното електрично поле, и във връзка с това частично да неутрализира полето в материала. Ето защо диелектричната проницаемост се отнася до свойството на материала да провежда (или да „позволява“ наличието на) електричното поле, т.е. се отнася до т. нар. <a href="/w/index.php?title=%D0%95%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%87%D0%BD%D0%B0_%D0%B2%D1%8A%D0%B7%D0%BF%D1%80%D0%B8%D0%B5%D0%BC%D1%87%D0%B8%D0%B2%D0%BE%D1%81%D1%82&action=edit&redlink=1" class="new" title="Електрична възприемчивост (страницата не съществува)">електрична възприемчивост</a>. </p><p>Диелектричната проницаемост е свързана с множество други физични величини като <a href="/wiki/%D0%95%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%B8_%D0%BA%D0%B0%D0%BF%D0%B0%D1%86%D0%B8%D1%82%D0%B5%D1%82" title="Електрически капацитет">електрически капацитет</a> и <a href="/wiki/%D0%A1%D0%BA%D0%BE%D1%80%D0%BE%D1%81%D1%82_%D0%BD%D0%B0_%D1%81%D0%B2%D0%B5%D1%82%D0%BB%D0%B8%D0%BD%D0%B0%D1%82%D0%B0" title="Скорост на светлината">скорост на светлината</a>. Например в <a href="/wiki/%D0%9A%D0%BE%D0%BD%D0%B4%D0%B5%D0%BD%D0%B7%D0%B0%D1%82%D0%BE%D1%80" title="Кондензатор">кондензатора</a> използването на материал с по-голямата диелектрична проницаемост позволява даден електричен заряд да се натрупа при по-малко напрежение, респ. води до по-голям капацитет на кондензатора при еднакви други параметри. </p> <ul><li><b>Абсолютната</b> диелектрична проницаемост <b>ε</b> е отношението на електричната индукция <b>D</b> към <a href="/wiki/%D0%98%D0%BD%D1%82%D0%B5%D0%BD%D0%B7%D0%B8%D1%82%D0%B5%D1%82_%D0%BD%D0%B0_%D0%B5%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%BE%D1%82%D0%BE_%D0%BF%D0%BE%D0%BB%D0%B5" title="Интензитет на електрическото поле">интензитета</a> <b>E</b> на електричното поле в условията на <a href="/wiki/%D0%92%D0%B0%D0%BA%D1%83%D1%83%D0%BC" title="Вакуум">вакуум</a> и е една от фундаменталните константи във физиката. Стандартната SI размерност за диелектрична проницаемост е <a href="/wiki/%D0%A4%D0%B0%D1%80%D0%B0%D0%B4" title="Фарад">фарад</a> на метър (F/m или F·m<sup>−1</sup>).<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></li></ul> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \varepsilon _{0}={\frac {1}{c^{2}\mu _{0}}}\approx 8,8541878176}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>ε</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>0</mn> </mrow> </msub> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mn>1</mn> <mrow> <msup> <mi>c</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> <msub> <mi>μ</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>0</mn> </mrow> </msub> </mrow> </mfrac> </mrow> <mo>≈</mo> <mn>8</mn> <mo>,</mo> <mn>8541878176</mn> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \varepsilon _{0}={\frac {1}{c^{2}\mu _{0}}}\approx 8,8541878176}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/06509bfaf31b53532aa9f310a41266e2c0155500" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.505ex; width:27.509ex; height:5.843ex;" alt="{\displaystyle \varepsilon _{0}={\frac {1}{c^{2}\mu _{0}}}\approx 8,8541878176}"></span> × 10<sup>-12</sup> <a href="/wiki/%D0%A4%D0%B0%D1%80%D0%B0%D0%B4" title="Фарад">F</a>/<a href="/wiki/%D0%9C%D0%B5%D1%82%D1%8A%D1%80" title="Метър">m</a>,</dd></dl> <p>където <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle c}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>c</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle c}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/86a67b81c2de995bd608d5b2df50cd8cd7d92455" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.007ex; height:1.676ex;" alt="{\displaystyle c}"></span> е <a href="/wiki/%D0%A1%D0%BA%D0%BE%D1%80%D0%BE%D1%81%D1%82_%D0%BD%D0%B0_%D1%81%D0%B2%D0%B5%D1%82%D0%BB%D0%B8%D0%BD%D0%B0%D1%82%D0%B0" title="Скорост на светлината">скоростта на светлината</a>, а <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mu _{0}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>μ</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>0</mn> </mrow> </msub> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \mu _{0}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/fe2fd9b8decb38a3cd158e7b6c0c6e2d987fefcc" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:2.456ex; height:2.176ex;" alt="{\displaystyle \mu _{0}}"></span> e <a href="/wiki/%D0%9C%D0%B0%D0%B3%D0%BD%D0%B8%D1%82%D0%BD%D0%B0_%D0%BF%D1%80%D0%BE%D0%BD%D0%B8%D1%86%D0%B0%D0%B5%D0%BC%D0%BE%D1%81%D1%82" title="Магнитна проницаемост">магнитната проницаемост</a> на вакуума. Всички константи са дефинирани в единици от <a href="/wiki/SI" class="mw-redirect" title="SI">SI</a>. Размерността може да се изрази и с други мерни единици: </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\frac {\text{F}}{\text{m}}}={\frac {\text{C}}{{\text{V}}{\cdot }{\text{m}}}}={\frac {{\text{C}}^{2}}{{\text{N}}{\cdot }{\text{m}}^{2}}}={\frac {{\text{C}}^{2}{\cdot }{\text{s}}^{2}}{{\text{kg}}{\cdot }{\text{m}}^{3}}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mtext>F</mtext> <mtext>m</mtext> </mfrac> </mrow> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mtext>C</mtext> <mrow> <mrow class="MJX-TeXAtom-ORD"> <mtext>V</mtext> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mo>⋅</mo> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mtext>m</mtext> </mrow> </mrow> </mfrac> </mrow> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <msup> <mrow class="MJX-TeXAtom-ORD"> <mtext>C</mtext> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> <mrow> <mrow class="MJX-TeXAtom-ORD"> <mtext>N</mtext> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mo>⋅</mo> </mrow> <msup> <mrow class="MJX-TeXAtom-ORD"> <mtext>m</mtext> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> </mrow> </mfrac> </mrow> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow> <msup> <mrow class="MJX-TeXAtom-ORD"> <mtext>C</mtext> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> <mrow class="MJX-TeXAtom-ORD"> <mo>⋅</mo> </mrow> <msup> <mrow class="MJX-TeXAtom-ORD"> <mtext>s</mtext> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> </mrow> <mrow> <mrow class="MJX-TeXAtom-ORD"> <mtext>kg</mtext> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mo>⋅</mo> </mrow> <msup> <mrow class="MJX-TeXAtom-ORD"> <mtext>m</mtext> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> </msup> </mrow> </mfrac> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\frac {\text{F}}{\text{m}}}={\frac {\text{C}}{{\text{V}}{\cdot }{\text{m}}}}={\frac {{\text{C}}^{2}}{{\text{N}}{\cdot }{\text{m}}^{2}}}={\frac {{\text{C}}^{2}{\cdot }{\text{s}}^{2}}{{\text{kg}}{\cdot }{\text{m}}^{3}}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/72d383cc2d8647caa2899e930eac68cb2ced7b2c" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.505ex; width:30.309ex; height:6.509ex;" alt="{\displaystyle {\frac {\text{F}}{\text{m}}}={\frac {\text{C}}{{\text{V}}{\cdot }{\text{m}}}}={\frac {{\text{C}}^{2}}{{\text{N}}{\cdot }{\text{m}}^{2}}}={\frac {{\text{C}}^{2}{\cdot }{\text{s}}^{2}}{{\text{kg}}{\cdot }{\text{m}}^{3}}}}"></span></dd></dl> <p><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \,\varepsilon _{0}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mspace width="thinmathspace" /> <msub> <mi>ε</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>0</mn> </mrow> </msub> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \,\varepsilon _{0}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/c358d1bb6a94d6e877e05a5145341e331272f3f5" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:2.525ex; height:2.009ex;" alt="{\displaystyle \,\varepsilon _{0}}"></span> фигурира също в константата на Кулон <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\frac {1}{4\pi \epsilon _{0}}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mn>1</mn> <mrow> <mn>4</mn> <mi>π</mi> <msub> <mi>ϵ</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>0</mn> </mrow> </msub> </mrow> </mfrac> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\frac {1}{4\pi \epsilon _{0}}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/449fcb1b76fb34dfc5abb99e3e19f0a0473f7c82" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.338ex; width:5.329ex; height:5.676ex;" alt="{\displaystyle {\frac {1}{4\pi \epsilon _{0}}}}"></span> (виж <a href="/wiki/%D0%95%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%BE%D1%81%D1%82%D0%B0%D1%82%D0%B8%D0%BA%D0%B0" title="Електростатика">Електростатика</a>). </p><p>Ако средата е хомогенна (еднородна) и изотропна (с еднакви свойства във всички посоки), диелектричната проницаемост е константа (наричана още <a href="/wiki/%D0%94%D0%B8%D0%B5%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%87%D0%BD%D0%B0_%D0%BA%D0%BE%D0%BD%D1%81%D1%82%D0%B0%D0%BD%D1%82%D0%B0" title="Диелектрична константа">диелектрична константа</a>) и съвпада с: </p> <ul><li><b>Относителната</b> диелектрична проницаемост <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \varepsilon _{r}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>ε</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>r</mi> </mrow> </msub> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \varepsilon _{r}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/287bce0849b56661bbaebca9942dfe3a6cadc21c" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:2.057ex; height:2.009ex;" alt="{\displaystyle \varepsilon _{r}}"></span>, която се определя числено от отношението на <a href="/wiki/%D0%95%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%B8_%D0%BA%D0%B0%D0%BF%D0%B0%D1%86%D0%B8%D1%82%D0%B5%D1%82" title="Електрически капацитет">капацитета</a> на кондензатор с разглеждания диелектрик между плочите към капацитета на същия кондензатор с вакуум между плочите, т.е.</li></ul> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \varepsilon _{r}={\frac {\varepsilon }{\varepsilon _{0}}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>ε</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>r</mi> </mrow> </msub> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mi>ε</mi> <msub> <mi>ε</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>0</mn> </mrow> </msub> </mfrac> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \varepsilon _{r}={\frac {\varepsilon }{\varepsilon _{0}}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/fcb725a66d1caed20c7167526b947465e097e198" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.171ex; width:8.13ex; height:5.009ex;" alt="{\displaystyle \varepsilon _{r}={\frac {\varepsilon }{\varepsilon _{0}}}}"></span>.</dd></dl> <p>В общия случай обаче диелектричната проницаемост е <a href="/wiki/%D0%A2%D0%B5%D0%BD%D0%B7%D0%BE%D1%80" title="Тензор">тензор</a> от (ранг 2) свързан с интензитета на индуциращото <a href="/wiki/%D0%95%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%87%D0%BD%D0%BE_%D0%BF%D0%BE%D0%BB%D0%B5" class="mw-redirect" title="Електрично поле">електрично поле</a>: </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\mathbf {P} }=\varepsilon _{0}\chi _{e}{\mathbf {E} }}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="bold">P</mi> </mrow> </mrow> <mo>=</mo> <msub> <mi>ε</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>0</mn> </mrow> </msub> <msub> <mi>χ</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>e</mi> </mrow> </msub> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="bold">E</mi> </mrow> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\mathbf {P} }=\varepsilon _{0}\chi _{e}{\mathbf {E} }}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/6e8f1d88d9e5d684069263314d4e56eec842fe39" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:11.273ex; height:2.509ex;" alt="{\displaystyle {\mathbf {P} }=\varepsilon _{0}\chi _{e}{\mathbf {E} }}"></span></dd></dl> <p>където <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \,\varepsilon _{0}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mspace width="thinmathspace" /> <msub> <mi>ε</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>0</mn> </mrow> </msub> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \,\varepsilon _{0}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/c358d1bb6a94d6e877e05a5145341e331272f3f5" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:2.525ex; height:2.009ex;" alt="{\displaystyle \,\varepsilon _{0}}"></span> е диелектричната проницаемост на <a href="/wiki/%D0%92%D0%B0%D0%BA%D1%83%D1%83%D0%BC" title="Вакуум">вакуума</a>, <b>P</b> – плътност на поляризацията </p><p>Диелектричната проницаемост на средата е свързана с (ди) електричната възприемчивост <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \chi _{e}\ }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>χ</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>e</mi> </mrow> </msub> <mtext> </mtext> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \chi _{e}\ }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/927bfee78545d490a05ed0bd55d3031a110d0d9d" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:3.034ex; height:2.009ex;" alt="{\displaystyle \chi _{e}\ }"></span> посредством: </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \chi _{e}\ =\varepsilon _{r}-1}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>χ</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>e</mi> </mrow> </msub> <mtext> </mtext> <mo>=</mo> <msub> <mi>ε</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>r</mi> </mrow> </msub> <mo>−</mo> <mn>1</mn> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \chi _{e}\ =\varepsilon _{r}-1}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/37c03568deeaaf5fec740b8c7feaf682680a8f81" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:12.193ex; height:2.509ex;" alt="{\displaystyle \chi _{e}\ =\varepsilon _{r}-1}"></span></dd></dl> <p>В случай че средата е вакуум: </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \chi _{e}\ =0}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>χ</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>e</mi> </mrow> </msub> <mtext> </mtext> <mo>=</mo> <mn>0</mn> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \chi _{e}\ =0}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/7d6867c42a209ba7276706aebc19ba5f4159b72a" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:7.295ex; height:2.509ex;" alt="{\displaystyle \chi _{e}\ =0}"></span></dd></dl> <p><a href="/wiki/%D0%95%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%87%D0%BD%D0%B0_%D0%B8%D0%BD%D0%B4%D1%83%D0%BA%D1%86%D0%B8%D1%8F" title="Електрична индукция">Електричната индукция</a> <b>D</b> е свързана с плътността на поляризация <b>P</b> чрез равенството: </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathbf {D} \ =\ \varepsilon _{0}\mathbf {E} +\mathbf {P} \ =\ \varepsilon _{0}(1+\chi _{e})\mathbf {E} \ =\ \varepsilon \mathbf {E} }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="bold">D</mi> </mrow> <mtext> </mtext> <mo>=</mo> <mtext> </mtext> <msub> <mi>ε</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>0</mn> </mrow> </msub> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="bold">E</mi> </mrow> <mo>+</mo> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="bold">P</mi> </mrow> <mtext> </mtext> <mo>=</mo> <mtext> </mtext> <msub> <mi>ε</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>0</mn> </mrow> </msub> <mo stretchy="false">(</mo> <mn>1</mn> <mo>+</mo> <msub> <mi>χ</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>e</mi> </mrow> </msub> <mo stretchy="false">)</mo> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="bold">E</mi> </mrow> <mtext> </mtext> <mo>=</mo> <mtext> </mtext> <mi>ε</mi> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="bold">E</mi> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \mathbf {D} \ =\ \varepsilon _{0}\mathbf {E} +\mathbf {P} \ =\ \varepsilon _{0}(1+\chi _{e})\mathbf {E} \ =\ \varepsilon \mathbf {E} }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/5be4088afa5d596f29e76fb8fac80406c8bbe614" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:38.392ex; height:2.843ex;" alt="{\displaystyle \mathbf {D} \ =\ \varepsilon _{0}\mathbf {E} +\mathbf {P} \ =\ \varepsilon _{0}(1+\chi _{e})\mathbf {E} \ =\ \varepsilon \mathbf {E} }"></span></dd></dl> <table class="prettytable float-center"> <caption>Относителна диелектрична проницаемост на някои вещества <br />при 18 °C и честота 50 Hz (в случай че не е дадено) <sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </caption> <tbody><tr class="hintergrundfarbe7"> <th>Вещество</th> <th><i>ε<sub>r</sub></i> </th> <th>Вещество</th> <th><i>ε<sub>r</sub></i> </th></tr> <tr> <td><a href="/wiki/%D0%92%D0%B0%D0%BA%D1%83%D1%83%D0%BC" title="Вакуум">Вакуум</a></td> <td>1,0 </td> <td><a href="/wiki/%D0%92%D1%8A%D0%B7%D0%B4%D1%83%D1%85" class="mw-redirect" title="Въздух">Въздух</a></td> <td>1,00059 </td></tr> <tr> <td><a href="/wiki/%D0%92%D0%BE%D0%B4%D0%B0" title="Вода">Вода</a></td> <td>80,1 </td> <td>Вода (f = 2,54 GHz)</td> <td>77 </td></tr> <tr> <td><a href="/wiki/%D0%9C%D0%BE%D1%80%D1%81%D0%BA%D0%B0_%D0%B2%D0%BE%D0%B4%D0%B0" title="Морска вода">Морска вода</a></td> <td>72 </td> <td><a href="/wiki/%D0%90%D0%BC%D0%BE%D0%BD%D1%8F%D0%BA" title="Амоняк">Амоняк</a> (0 °C)</td> <td>1,007 </td></tr> <tr> <td><a href="/wiki/%D0%9B%D0%B5%D0%B4" title="Лед">Лед</a> (−20 °C)</td> <td>≈ 100 </td> <td>Лед (−20 °C, f > 100 kHz)</td> <td>3,2 </td></tr> <tr> <td>Суха земя (почва)</td> <td>3,9 </td> <td>Влажна земя (почва)</td> <td>29 </td></tr> <tr> <td>Суха <a href="/wiki/%D0%94%D1%8A%D1%80%D0%B2%D0%B5%D1%81%D0%B8%D0%BD%D0%B0" title="Дървесина">дървесина</a></td> <td>2 – 3,5 </td> <td><a href="/wiki/%D0%A5%D0%B0%D1%80%D1%82%D0%B8%D1%8F" title="Хартия">Хартия</a></td> <td>1,4 </td></tr> <tr> <td><a href="/wiki/%D0%9A%D0%B0%D1%83%D1%87%D1%83%D0%BA#Гума" title="Каучук">Гума</a></td> <td>2,4 </td> <td>Специална <a href="/wiki/%D0%9A%D0%B5%D1%80%D0%B0%D0%BC%D0%B8%D0%BA%D0%B0" title="Керамика">керамика</a></td> <td>10 –20 </td></tr> <tr> <td><a href="/wiki/%D0%A1%D1%82%D1%8A%D0%BA%D0%BB%D0%BE" title="Стъкло">Стъкло</a></td> <td>6 – 8 </td> <td><a href="/wiki/%D0%9F%D0%BE%D1%80%D1%86%D0%B5%D0%BB%D0%B0%D0%BD" title="Порцелан">Порцелан</a></td> <td>2 – 6 </td></tr> <tr> <td><a href="/wiki/%D0%9F%D0%BE%D0%BB%D0%B8%D0%B5%D1%82%D0%B8%D0%BB%D0%B5%D0%BD" title="Полиетилен">Полиетилен</a> (PE)</td> <td>2,25 </td> <td>Полиетилен (90 °C)</td> <td>2,4 </td></tr> <tr> <td><a href="/wiki/%D0%9F%D0%BE%D0%BB%D0%B8%D1%82%D0%B5%D1%82%D1%80%D0%B0%D1%84%D0%BB%D1%83%D0%BE%D1%80%D0%B5%D1%82%D0%B8%D0%BB%D0%B5%D0%BD" class="mw-redirect" title="Политетрафлуоретилен">Политетрафлуоретилен</a> (PTFE или Тефлон)</td> <td>2 – 2,1 </td> <td><a href="/wiki/%D0%9F%D0%BE%D0%BB%D0%B8%D0%BF%D1%80%D0%BE%D0%BF%D0%B8%D0%BB%D0%B5%D0%BD" title="Полипропилен">Полипропилен</a> (PP) (90 °C)</td> <td>2,1 </td></tr> <tr> <td><a href="/wiki/%D0%9F%D0%BE%D0%BB%D0%B8%D1%81%D1%82%D0%B8%D1%80%D0%BE%D0%BB" class="mw-redirect" title="Полистирол">Полистирол</a></td> <td>2,56 </td> <td><a href="/wiki/%D0%9F%D0%BE%D0%BB%D0%B8%D1%81%D1%82%D0%B8%D1%80%D0%BE%D0%BB" class="mw-redirect" title="Полистирол">Полистиролна</a> пяна (Стиропор ® <a href="/wiki/BASF" class="mw-redirect" title="BASF">BASF</a>)</td> <td>1,03 </td></tr> <tr> <td><a href="/wiki/%D0%93%D0%B5%D1%82%D0%B8%D0%BD%D0%B0%D0%BA%D1%81" title="Гетинакс">Гетинакс</a> (<a href="https://en.wikipedia.org/wiki/FR-2" class="extiw" title="en:FR-2">FR-2</a>), <br /><a href="/w/index.php?title=%D0%95%D0%BF%D0%BE%D0%BA%D1%81%D0%B8%D0%B4%D0%BD%D0%BE_%D1%84%D0%B8%D0%B1%D1%80%D0%BE%D1%81%D1%82%D1%8A%D0%BA%D0%BB%D0%BE&action=edit&redlink=1" class="new" title="Епоксидно фибростъкло (страницата не съществува)">Епоксидно фибростъкло</a> (<a href="https://fr.wikipedia.org/wiki/FR-4" class="extiw" title="fr:FR-4">FR-4</a>)</td> <td>4,3 – 5,4 </td> <td><a href="/wiki/%D0%9F%D0%BE%D0%BB%D0%B8%D0%B2%D0%B8%D0%BD%D0%B8%D0%BB%D1%85%D0%BB%D0%BE%D1%80%D0%B8%D0%B4" title="Поливинилхлорид">Поливинилхлорид</a> (PVC)</td> <td>3 – 4 </td></tr> <tr> <td><a href="/wiki/%D0%9A%D0%B2%D0%B0%D1%80%D1%86" title="Кварц">Кварц</a></td> <td>3,8 </td> <td><a href="/wiki/%D0%A1%D0%BB%D1%8E%D0%B4%D0%B0" class="mw-redirect" title="Слюда">Слюда</a></td> <td>5,4 </td></tr> <tr> <td><a href="/wiki/%D0%A1%D0%B8%D0%BB%D0%B8%D1%86%D0%B8%D0%B9" title="Силиций">Силиций</a> (чист)</td> <td>11,8 </td> <td><a href="/wiki/%D0%93%D0%B5%D1%80%D0%BC%D0%B0%D0%BD%D0%B8%D0%B9" title="Германий">Германий</a></td> <td>16,6 </td></tr> <tr> <td><a href="/wiki/%D0%90%D0%BB%D1%83%D0%BC%D0%B8%D0%BD%D0%B8%D0%B5%D0%B2_%D0%BE%D0%BA%D1%81%D0%B8%D0%B4" title="Алуминиев оксид">Двуалуминиев триокис</a></td> <td>3,09 – 3,14 </td> <td><a href="/wiki/%D0%90%D0%BB%D1%83%D0%BC%D0%B8%D0%BD%D0%B8%D0%B5%D0%B2_%D0%BE%D0%BA%D1%81%D0%B8%D0%B4" title="Алуминиев оксид">Алуминиев оксид</a> (Глина)</td> <td>9 </td></tr> <tr> <td><a href="/w/index.php?title=%D0%95%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%BE%D0%B8%D0%B7%D0%BE%D0%BB%D0%B0%D1%86%D0%B8%D0%BE%D0%BD%D0%BD%D0%B0_%D1%85%D0%B0%D1%80%D1%82%D0%B8%D1%8F&action=edit&redlink=1" class="new" title="Електроизолационна хартия (страницата не съществува)">Електроизолационна хартия</a></td> <td>4,3 </td> <td><a href="/w/index.php?title=%D0%A8%D0%B5%D0%BB%D0%BB%D0%B0%D0%BA&action=edit&redlink=1" class="new" title="Шеллак (страницата не съществува)">Шеллак</a></td> <td>3 – 4 </td></tr> <tr> <td><a href="/wiki/%D0%9F%D0%B0%D1%80%D0%B0%D1%84%D0%B8%D0%BD" title="Парафин">Парафин</a></td> <td>2,2 </td> <td><a href="/wiki/%D0%9A%D0%B0%D0%BB%D0%B8%D0%B5%D0%B2_%D1%85%D0%BB%D0%BE%D1%80%D0%B8%D0%B4" title="Калиев хлорид">Калиев хлорид</a></td> <td>4,94 </td></tr> <tr> <td><a href="/wiki/%D0%9F%D0%B5%D1%82%D1%80%D0%BE%D0%BB" class="mw-redirect" title="Петрол">Петрол</a></td> <td>2 </td> <td><a href="/wiki/%D0%91%D0%B5%D0%BD%D0%B7%D0%BE%D0%BB" class="mw-redirect" title="Бензол">Бензол</a></td> <td>2,28 </td></tr> <tr> <td><a href="/wiki/%D0%9C%D0%B5%D1%82%D0%B0%D0%BD%D0%BE%D0%BB" title="Метанол">Метанол</a></td> <td>32,6 </td> <td><a href="/w/index.php?title=%D0%9F%D1%80%D0%BE%D0%BF%D0%B0%D0%BD%D0%BE%D0%BB&action=edit&redlink=1" class="new" title="Пропанол (страницата не съществува)">Пропанол</a></td> <td>18,3 </td></tr> <tr> <td><a href="https://ru.wikipedia.org/wiki/%D0%9E%D0%BA%D1%81%D0%B8%D0%B4_%D1%82%D0%B0%D0%BD%D1%82%D0%B0%D0%BB%D0%B0_(V)" class="extiw" title="ru:Оксид тантала (V)">Танталпентоксид</a></td> <td>27 </td> <td><a href="/wiki/%D0%93%D0%BB%D0%B8%D1%86%D0%B5%D1%80%D0%B8%D0%BD" title="Глицерин">Глицерин</a></td> <td>42,5 </td></tr> <tr> <td><a href="/wiki/%D0%90%D0%BA%D1%80%D0%B8%D0%BB%D0%BE%D0%BD%D0%B8%D1%82%D1%80%D0%B8%D0%BB-%D0%B1%D1%83%D1%82%D0%B0%D0%B4%D0%B8%D0%B5%D0%BD-%D1%81%D1%82%D0%B8%D1%80%D0%B5%D0%BD" title="Акрилонитрил-бутадиен-стирен">Акрилонитрил-бутадиен-стирен</a> (ABS) (30 °C)</td> <td>4,3 </td> <td><a href="/wiki/%D0%91%D0%B0%D1%80%D0%B8%D0%B5%D0%B2_%D1%82%D0%B8%D1%82%D0%B0%D0%BD%D0%B0%D1%82" title="Бариев титанат">Бариев титанат</a></td> <td>10<sup>3</sup>–10<sup>4</sup> </td></tr></tbody></table> <div class="mw-heading mw-heading2"><h2 id="Източници"><span id=".D0.98.D0.B7.D1.82.D0.BE.D1.87.D0.BD.D0.B8.D1.86.D0.B8"></span>Източници</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%D0%94%D0%B8%D0%B5%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%87%D0%BD%D0%B0_%D0%BF%D1%80%D0%BE%D0%BD%D0%B8%D1%86%D0%B0%D0%B5%D0%BC%D0%BE%D1%81%D1%82&veaction=edit&section=1" title="Редактиране на раздел: Източници" class="mw-editsection-visualeditor"><span>редактиране</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=%D0%94%D0%B8%D0%B5%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%87%D0%BD%D0%B0_%D0%BF%D1%80%D0%BE%D0%BD%D0%B8%D1%86%D0%B0%D0%B5%D0%BC%D0%BE%D1%81%D1%82&action=edit&section=1" title="Edit section's source code: Източници"><span>редактиране на кода</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><a href="#cite_ref-1">↑</a></span> <span class="reference-text"><a rel="nofollow" class="external text" href="https://www.bipm.org/documents/20126/41483022/si_brochure_8.pdf">The International System of Units (SI) (PDF) (8th ed.), ISBN 92-822-2213-6, стр. 119.</a></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><a href="#cite_ref-2">↑</a></span> <span class="reference-text">Tabellierte, umfassende Übersichten frequenz- und temperaturabhängiger, komplexer relativer Permittivitäten vieler Materialien finden sich in <ul><li><span class="cite Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rfr_id=info%3Asid%2Fde.wikipedia.org%3A%D0%94%D0%B8%D0%B5%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%87%D0%BD%D0%B0+%D0%BF%D1%80%D0%BE%D0%BD%D0%B8%D1%86%D0%B0%D0%B5%D0%BC%D0%BE%D1%81%D1%82&rft.btitle=Industrial+Microwave+Heating&rft.au=A.+C.+Metaxas%2C+R.+J.+Meredith&rft.pub=Peter+Peregrinus&rft.place=London&rft.isbn=0-906048-89-3">A. C. Metaxas, R. J. Meredith: <i>Industrial Microwave Heating.</i> IEE Power Engineering Series  Peter Peregrinus, London <span style="white-space:nowrap;">1983</span>, <a href="/wiki/%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:%D0%98%D0%B7%D1%82%D0%BE%D1%87%D0%BD%D0%B8%D1%86%D0%B8_%D0%BD%D0%B0_%D0%BA%D0%BD%D0%B8%D0%B3%D0%B8/0906048893" class="internal mw-magiclink-isbn">ISBN 0-906048-89-3</a>.</span></li></ul> und vor allem in <ul><li><span class="cite Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rfr_id=info%3Asid%2Fde.wikipedia.org%3A%D0%94%D0%B8%D0%B5%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%87%D0%BD%D0%B0+%D0%BF%D1%80%D0%BE%D0%BD%D0%B8%D1%86%D0%B0%D0%B5%D0%BC%D0%BE%D1%81%D1%82&rft.btitle=Dielectric+Materials+and+Applications&rft.pub=Technology+Press&rft.place=Boston+MA+u.%26nbsp%3Ba."><i>Dielectric Materials and Applications.</i>  Technology Press, Boston MA u. a. <span style="white-space:nowrap;">1954</span> (2nd edition. Artech House, Boston MA u. a. 1995, <a href="/wiki/%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B8:%D0%98%D0%B7%D1%82%D0%BE%D1%87%D0%BD%D0%B8%D1%86%D0%B8_%D0%BD%D0%B0_%D0%BA%D0%BD%D0%B8%D0%B3%D0%B8/0890068054" class="internal mw-magiclink-isbn">ISBN 0-89006-805-4</a>).</span></li></ul> </span></li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="Вижте_също"><span id=".D0.92.D0.B8.D0.B6.D1.82.D0.B5_.D1.81.D1.8A.D1.89.D0.BE"></span>Вижте също</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%D0%94%D0%B8%D0%B5%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%87%D0%BD%D0%B0_%D0%BF%D1%80%D0%BE%D0%BD%D0%B8%D1%86%D0%B0%D0%B5%D0%BC%D0%BE%D1%81%D1%82&veaction=edit&section=2" title="Редактиране на раздел: Вижте също" class="mw-editsection-visualeditor"><span>редактиране</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=%D0%94%D0%B8%D0%B5%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%87%D0%BD%D0%B0_%D0%BF%D1%80%D0%BE%D0%BD%D0%B8%D1%86%D0%B0%D0%B5%D0%BC%D0%BE%D1%81%D1%82&action=edit&section=2" title="Edit section's source code: Вижте също"><span>редактиране на кода</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/%D0%A3%D1%80%D0%B0%D0%B2%D0%BD%D0%B5%D0%BD%D0%B8%D1%8F_%D0%BD%D0%B0_%D0%9C%D0%B0%D0%BA%D1%81%D1%83%D0%B5%D0%BB" title="Уравнения на Максуел">Уравнения на Максуел</a></li> <li><a href="/wiki/%D0%94%D0%B8%D0%B5%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D0%BA" title="Диелектрик">Диелектрик</a></li> <li><a href="/wiki/%D0%94%D0%B8%D0%B5%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%87%D0%BD%D0%B0_%D0%BA%D0%BE%D0%BD%D1%81%D1%82%D0%B0%D0%BD%D1%82%D0%B0" title="Диелектрична константа">Диелектрична константа</a></li> <li><a href="/w/index.php?title=%D0%94%D0%B8%D0%B5%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%87%D0%BD%D0%B0_%D1%81%D0%BF%D0%B5%D0%BA%D1%82%D1%80%D0%BE%D1%81%D0%BA%D0%BE%D0%BF%D0%B8%D1%8F&action=edit&redlink=1" class="new" title="Диелектрична спектроскопия (страницата не съществува)">Диелектрична спектроскопия</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="Външни_препратки"><span id=".D0.92.D1.8A.D0.BD.D1.88.D0.BD.D0.B8_.D0.BF.D1.80.D0.B5.D0.BF.D1.80.D0.B0.D1.82.D0.BA.D0.B8"></span>Външни препратки</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%D0%94%D0%B8%D0%B5%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%87%D0%BD%D0%B0_%D0%BF%D1%80%D0%BE%D0%BD%D0%B8%D1%86%D0%B0%D0%B5%D0%BC%D0%BE%D1%81%D1%82&veaction=edit&section=3" title="Редактиране на раздел: Външни препратки" class="mw-editsection-visualeditor"><span>редактиране</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=%D0%94%D0%B8%D0%B5%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%87%D0%BD%D0%B0_%D0%BF%D1%80%D0%BE%D0%BD%D0%B8%D1%86%D0%B0%D0%B5%D0%BC%D0%BE%D1%81%D1%82&action=edit&section=3" title="Edit section's source code: Външни препратки"><span>редактиране на кода</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" href="http://www.newton.dep.anl.gov/newton/askasci/1993/physics/PHY48.HTM">What is the significance of permittivity of free space?</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20081205074136/http://www.newton.dep.anl.gov/newton/askasci/1993/physics/PHY48.HTM">Архив на оригинала от</a> 2008-12-05 в <a href="/wiki/Wayback_Machine" class="mw-redirect" title="Wayback Machine">Wayback Machine</a>.</li></ul>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; 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