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class="vector-toc-link" href="#Simbologia"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.1</span> <span>Simbologia</span> </div> </a> <ul id="toc-Simbologia-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Polarità" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Polarità"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.2</span> <span>Polarità</span> </div> </a> <ul id="toc-Polarità-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Produzione_e_conversione" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Produzione_e_conversione"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.3</span> <span>Produzione e conversione</span> </div> </a> <ul id="toc-Produzione_e_conversione-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Applicazioni_e_uso" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Applicazioni_e_uso"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Applicazioni e uso</span> </div> </a> <ul id="toc-Applicazioni_e_uso-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Note" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Note"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Note</span> </div> </a> <ul id="toc-Note-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Voci_correlate" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Voci_correlate"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Voci correlate</span> </div> </a> <ul id="toc-Voci_correlate-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Altri_progetti" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Altri_progetti"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Altri progetti</span> </div> </a> <ul id="toc-Altri_progetti-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Collegamenti_esterni" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Collegamenti_esterni"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>Collegamenti esterni</span> </div> </a> <ul id="toc-Collegamenti_esterni-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="Indice" 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="Mostra/Nascondi l'indice" > <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">Mostra/Nascondi l'indice</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">Corrente continua</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="Vai a una voce in un'altra lingua. Disponibile in 86 lingue" > <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-86" 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">86 lingue</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Gelykstroom" title="Gelykstroom - afrikaans" lang="af" hreflang="af" data-title="Gelykstroom" data-language-autonym="Afrikaans" data-language-local-name="afrikaans" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-am mw-list-item"><a href="https://am.wikipedia.org/wiki/%E1%89%80%E1%8C%A5%E1%89%B0%E1%8A%9B_%E1%8C%85%E1%88%A8%E1%89%B5" title="ቀጥተኛ ጅረት - amarico" lang="am" hreflang="am" data-title="ቀጥተኛ ጅረት" data-language-autonym="አማርኛ" data-language-local-name="amarico" class="interlanguage-link-target"><span>አማርኛ</span></a></li><li class="interlanguage-link interwiki-an mw-list-item"><a href="https://an.wikipedia.org/wiki/Corrient_contina" title="Corrient contina - aragonese" lang="an" hreflang="an" data-title="Corrient contina" data-language-autonym="Aragonés" data-language-local-name="aragonese" class="interlanguage-link-target"><span>Aragonés</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%AA%D9%8A%D8%A7%D8%B1_%D9%85%D8%B3%D8%AA%D9%85%D8%B1" title="تيار مستمر - arabo" lang="ar" hreflang="ar" data-title="تيار مستمر" data-language-autonym="العربية" data-language-local-name="arabo" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Corriente_continua" title="Corriente continua - asturiano" lang="ast" hreflang="ast" data-title="Corriente continua" data-language-autonym="Asturianu" data-language-local-name="asturiano" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Sabit_c%C9%99r%C9%99yan" title="Sabit cərəyan - azerbaigiano" lang="az" hreflang="az" data-title="Sabit cərəyan" data-language-autonym="Azərbaycanca" data-language-local-name="azerbaigiano" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-bar mw-list-item"><a href="https://bar.wikipedia.org/wiki/Gleichstraum" title="Gleichstraum - bavarese" lang="bar" hreflang="bar" data-title="Gleichstraum" data-language-autonym="Boarisch" data-language-local-name="bavarese" class="interlanguage-link-target"><span>Boarisch</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%9F%D0%B0%D1%81%D1%82%D0%B0%D1%8F%D0%BD%D0%BD%D1%8B_%D1%82%D0%BE%D0%BA" title="Пастаянны ток - bielorusso" lang="be" hreflang="be" data-title="Пастаянны ток" data-language-autonym="Беларуская" data-language-local-name="bielorusso" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%9F%D0%BE%D1%81%D1%82%D0%BE%D1%8F%D0%BD%D0%B5%D0%BD_%D1%82%D0%BE%D0%BA" title="Постоянен ток - bulgaro" lang="bg" hreflang="bg" data-title="Постоянен ток" data-language-autonym="Български" data-language-local-name="bulgaro" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%8F%E0%A6%95%E0%A6%AE%E0%A7%81%E0%A6%96%E0%A7%80_%E0%A6%AC%E0%A6%BF%E0%A6%A6%E0%A7%8D%E0%A6%AF%E0%A7%81%E0%A7%8E_%E0%A6%AA%E0%A7%8D%E0%A6%B0%E0%A6%AC%E0%A6%BE%E0%A6%B9" title="একমুখী বিদ্যুৎ প্রবাহ - bengalese" lang="bn" hreflang="bn" data-title="একমুখী বিদ্যুৎ প্রবাহ" data-language-autonym="বাংলা" data-language-local-name="bengalese" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Istosmjerna_struja" title="Istosmjerna struja - bosniaco" lang="bs" hreflang="bs" data-title="Istosmjerna struja" data-language-autonym="Bosanski" data-language-local-name="bosniaco" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Corrent_continu" title="Corrent continu - catalano" lang="ca" hreflang="ca" data-title="Corrent continu" data-language-autonym="Català" data-language-local-name="catalano" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%D8%AA%DB%95%D8%B2%D9%88%D9%88%DB%8C_%D9%86%DB%95%DA%AF%DB%86%DA%95" title="تەزووی نەگۆڕ - curdo centrale" lang="ckb" hreflang="ckb" data-title="تەزووی نەگۆڕ" data-language-autonym="کوردی" data-language-local-name="curdo centrale" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Stejnosm%C4%9Brn%C3%BD_proud" title="Stejnosměrný proud - ceco" lang="cs" hreflang="cs" data-title="Stejnosměrný proud" data-language-autonym="Čeština" data-language-local-name="ceco" 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%A3%D0%BB%D1%88%C4%83%D0%BD%D1%83%D1%81%C4%83%D1%80_%D1%82%D0%BE%D0%BA" title="Улшăнусăр ток - ciuvascio" lang="cv" hreflang="cv" data-title="Улшăнусăр ток" data-language-autonym="Чӑвашла" data-language-local-name="ciuvascio" 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/J%C3%A6vnstr%C3%B8m" title="Jævnstrøm - danese" lang="da" hreflang="da" data-title="Jævnstrøm" data-language-autonym="Dansk" data-language-local-name="danese" 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/Gleichstrom" title="Gleichstrom - tedesco" lang="de" hreflang="de" data-title="Gleichstrom" data-language-autonym="Deutsch" data-language-local-name="tedesco" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%A3%CF%85%CE%BD%CE%B5%CF%87%CE%AD%CF%82_%CF%81%CE%B5%CF%8D%CE%BC%CE%B1" title="Συνεχές ρεύμα - greco" lang="el" hreflang="el" data-title="Συνεχές ρεύμα" data-language-autonym="Ελληνικά" data-language-local-name="greco" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Direct_current" title="Direct current - inglese" lang="en" hreflang="en" data-title="Direct current" data-language-autonym="English" data-language-local-name="inglese" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Kontinua_kurento" title="Kontinua kurento - esperanto" lang="eo" hreflang="eo" data-title="Kontinua kurento" data-language-autonym="Esperanto" data-language-local-name="esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Corriente_continua" title="Corriente continua - spagnolo" lang="es" hreflang="es" data-title="Corriente continua" data-language-autonym="Español" data-language-local-name="spagnolo" 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/Alalisvool" title="Alalisvool - estone" lang="et" hreflang="et" data-title="Alalisvool" data-language-autonym="Eesti" data-language-local-name="estone" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Korronte_zuzen" title="Korronte zuzen - basco" lang="eu" hreflang="eu" data-title="Korronte zuzen" data-language-autonym="Euskara" data-language-local-name="basco" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%AC%D8%B1%DB%8C%D8%A7%D9%86_%D9%85%D8%B3%D8%AA%D9%82%DB%8C%D9%85" title="جریان مستقیم - persiano" lang="fa" hreflang="fa" data-title="جریان مستقیم" data-language-autonym="فارسی" data-language-local-name="persiano" 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/Tasavirta" title="Tasavirta - finlandese" lang="fi" hreflang="fi" data-title="Tasavirta" data-language-autonym="Suomi" data-language-local-name="finlandese" 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/Courant_continu" title="Courant continu - francese" lang="fr" hreflang="fr" data-title="Courant continu" data-language-autonym="Français" data-language-local-name="francese" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-frr mw-list-item"><a href="https://frr.wikipedia.org/wiki/Likstruum" title="Likstruum - frisone settentrionale" lang="frr" hreflang="frr" data-title="Likstruum" data-language-autonym="Nordfriisk" data-language-local-name="frisone settentrionale" class="interlanguage-link-target"><span>Nordfriisk</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Corrente_continua" title="Corrente continua - galiziano" lang="gl" hreflang="gl" data-title="Corrente continua" data-language-autonym="Galego" data-language-local-name="galiziano" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-gor mw-list-item"><a href="https://gor.wikipedia.org/wiki/Arus_searah" title="Arus searah - gorontalo" lang="gor" hreflang="gor" data-title="Arus searah" data-language-autonym="Bahasa Hulontalo" data-language-local-name="gorontalo" class="interlanguage-link-target"><span>Bahasa Hulontalo</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%96%D7%A8%D7%9D_%D7%99%D7%A9%D7%A8" title="זרם ישר - ebraico" lang="he" hreflang="he" data-title="זרם ישר" data-language-autonym="עברית" data-language-local-name="ebraico" 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%A6%E0%A4%BF%E0%A4%B7%E0%A5%8D%E0%A4%9F_%E0%A4%A7%E0%A4%BE%E0%A4%B0%E0%A4%BE" title="दिष्ट धारा - hindi" lang="hi" hreflang="hi" data-title="दिष्ट धारा" data-language-autonym="हिन्दी" data-language-local-name="hindi" 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/Istosmjerna_struja" title="Istosmjerna struja - croato" lang="hr" hreflang="hr" data-title="Istosmjerna struja" data-language-autonym="Hrvatski" data-language-local-name="croato" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-ht mw-list-item"><a href="https://ht.wikipedia.org/wiki/Kouran_dir%C3%A8k_(DC)" title="Kouran dirèk (DC) - creolo haitiano" lang="ht" hreflang="ht" data-title="Kouran dirèk (DC)" data-language-autonym="Kreyòl ayisyen" data-language-local-name="creolo haitiano" class="interlanguage-link-target"><span>Kreyòl ayisyen</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Egyen%C3%A1ram" title="Egyenáram - ungherese" lang="hu" hreflang="hu" data-title="Egyenáram" data-language-autonym="Magyar" data-language-local-name="ungherese" 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/%D5%80%D5%A1%D5%BD%D5%BF%D5%A1%D5%BF%D5%B8%D6%82%D5%B6_%D5%B0%D5%B8%D5%BD%D5%A1%D5%B6%D6%84" title="Հաստատուն հոսանք - armeno" lang="hy" hreflang="hy" data-title="Հաստատուն հոսանք" data-language-autonym="Հայերեն" data-language-local-name="armeno" 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/Arus_searah" title="Arus searah - indonesiano" lang="id" hreflang="id" data-title="Arus searah" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonesiano" 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/Jafnstraumur" title="Jafnstraumur - islandese" lang="is" hreflang="is" data-title="Jafnstraumur" data-language-autonym="Íslenska" data-language-local-name="islandese" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E7%9B%B4%E6%B5%81" title="直流 - giapponese" lang="ja" hreflang="ja" data-title="直流" data-language-autonym="日本語" data-language-local-name="giapponese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%9B%E1%83%A3%E1%83%93%E1%83%9B%E1%83%98%E1%83%95%E1%83%98_%E1%83%93%E1%83%94%E1%83%9C%E1%83%98" title="მუდმივი დენი - georgiano" lang="ka" hreflang="ka" data-title="მუდმივი დენი" data-language-autonym="ქართული" data-language-local-name="georgiano" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%A2%D2%B1%D1%80%D0%B0%D2%9B%D1%82%D1%8B_%D1%82%D0%BE%D0%BA" title="Тұрақты ток - kazako" lang="kk" hreflang="kk" data-title="Тұрақты ток" data-language-autonym="Қазақша" data-language-local-name="kazako" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%A7%81%EB%A5%98" title="직류 - coreano" lang="ko" hreflang="ko" data-title="직류" data-language-autonym="한국어" data-language-local-name="coreano" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-ky mw-list-item"><a href="https://ky.wikipedia.org/wiki/%D0%A2%D1%83%D1%80%D1%83%D0%BA%D1%82%D1%83%D1%83_%D1%82%D0%BE%D0%BA" title="Туруктуу ток - kirghiso" lang="ky" hreflang="ky" data-title="Туруктуу ток" data-language-autonym="Кыргызча" data-language-local-name="kirghiso" class="interlanguage-link-target"><span>Кыргызча</span></a></li><li class="interlanguage-link interwiki-li mw-list-item"><a href="https://li.wikipedia.org/wiki/Gelieksjtroum" title="Gelieksjtroum - limburghese" lang="li" hreflang="li" data-title="Gelieksjtroum" data-language-autonym="Limburgs" data-language-local-name="limburghese" class="interlanguage-link-target"><span>Limburgs</span></a></li><li class="interlanguage-link interwiki-lmo mw-list-item"><a href="https://lmo.wikipedia.org/wiki/Corrent_continua" title="Corrent continua - lombardo" lang="lmo" hreflang="lmo" data-title="Corrent continua" data-language-autonym="Lombard" data-language-local-name="lombardo" class="interlanguage-link-target"><span>Lombard</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Nuolatin%C4%97_elektros_srov%C4%97" title="Nuolatinė elektros srovė - lituano" lang="lt" hreflang="lt" data-title="Nuolatinė elektros srovė" data-language-autonym="Lietuvių" data-language-local-name="lituano" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/L%C4%ABdzstr%C4%81va" title="Līdzstrāva - lettone" lang="lv" hreflang="lv" data-title="Līdzstrāva" data-language-autonym="Latviešu" data-language-local-name="lettone" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%95%D0%B4%D0%BD%D0%BE%D0%BD%D0%B0%D1%81%D0%BE%D1%87%D0%BD%D0%B0_%D1%81%D1%82%D1%80%D1%83%D1%98%D0%B0" title="Еднонасочна струја - macedone" lang="mk" hreflang="mk" data-title="Еднонасочна струја" data-language-autonym="Македонски" data-language-local-name="macedone" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%A8%E0%B5%87%E0%B5%BC%E0%B4%A7%E0%B4%BE%E0%B4%B0%E0%B4%BE_%E0%B4%B5%E0%B5%88%E0%B4%A6%E0%B5%8D%E0%B4%AF%E0%B5%81%E0%B4%A4%E0%B4%BF" title="നേർധാരാ വൈദ്യുതി - malayalam" lang="ml" hreflang="ml" data-title="നേർധാരാ വൈദ്യുതി" data-language-autonym="മലയാളം" data-language-local-name="malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-mn mw-list-item"><a href="https://mn.wikipedia.org/wiki/%D0%A2%D0%BE%D0%B3%D1%82%D0%BC%D0%BE%D0%BB_%D0%B3%D2%AF%D0%B9%D0%B4%D1%8D%D0%BB" title="Тогтмол гүйдэл - mongolo" lang="mn" hreflang="mn" data-title="Тогтмол гүйдэл" data-language-autonym="Монгол" data-language-local-name="mongolo" class="interlanguage-link-target"><span>Монгол</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Arus_terus" title="Arus terus - malese" lang="ms" hreflang="ms" data-title="Arus terus" data-language-autonym="Bahasa Melayu" data-language-local-name="malese" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-my mw-list-item"><a href="https://my.wikipedia.org/wiki/%E1%80%90%E1%80%8A%E1%80%BA%E1%80%84%E1%80%BC%E1%80%AD%E1%80%99%E1%80%BA%E1%80%9C%E1%80%BB%E1%80%BE%E1%80%95%E1%80%BA%E1%80%85%E1%80%85%E1%80%BA" title="တည်ငြိမ်လျှပ်စစ် - birmano" lang="my" hreflang="my" data-title="တည်ငြိမ်လျှပ်စစ်" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="birmano" class="interlanguage-link-target"><span>မြန်မာဘာသာ</span></a></li><li class="interlanguage-link interwiki-ne mw-list-item"><a href="https://ne.wikipedia.org/wiki/%E0%A4%A1%E0%A4%BF%E0%A4%B8%E0%A5%80_%E0%A4%95%E0%A4%B0%E0%A5%87%E0%A4%A8%E0%A5%8D%E0%A4%9F" title="डिसी करेन्ट - nepalese" lang="ne" hreflang="ne" data-title="डिसी करेन्ट" data-language-autonym="नेपाली" data-language-local-name="nepalese" class="interlanguage-link-target"><span>नेपाली</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Gelijkstroom" title="Gelijkstroom - olandese" lang="nl" hreflang="nl" data-title="Gelijkstroom" data-language-autonym="Nederlands" data-language-local-name="olandese" 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/Likestraum" title="Likestraum - norvegese nynorsk" lang="nn" hreflang="nn" data-title="Likestraum" data-language-autonym="Norsk nynorsk" data-language-local-name="norvegese nynorsk" 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/Likestr%C3%B8m" title="Likestrøm - norvegese bokmål" lang="nb" hreflang="nb" data-title="Likestrøm" data-language-autonym="Norsk bokmål" data-language-local-name="norvegese bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/Corrent_contin%C3%BA" title="Corrent continú - occitano" lang="oc" hreflang="oc" data-title="Corrent continú" data-language-autonym="Occitan" data-language-local-name="occitano" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%AC%E0%A8%BF%E0%A8%9C%E0%A8%B2%E0%A9%80_%E0%A8%A6%E0%A9%80_%E0%A8%B8%E0%A8%BF%E0%A9%B1%E0%A8%A7%E0%A9%80_%E0%A8%AA%E0%A9%8D%E0%A8%B0%E0%A8%B5%E0%A8%BE%E0%A8%B9%E0%A8%BF%E0%A8%A4_%E0%A8%A7%E0%A8%BE%E0%A8%B0%E0%A8%BE" title="ਬਿਜਲੀ ਦੀ ਸਿੱਧੀ ਪ੍ਰਵਾਹਿਤ ਧਾਰਾ - punjabi" lang="pa" hreflang="pa" data-title="ਬਿਜਲੀ ਦੀ ਸਿੱਧੀ ਪ੍ਰਵਾਹਿਤ ਧਾਰਾ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="punjabi" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Pr%C4%85d_sta%C5%82y" title="Prąd stały - polacco" lang="pl" hreflang="pl" data-title="Prąd stały" data-language-autonym="Polski" data-language-local-name="polacco" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pnb mw-list-item"><a href="https://pnb.wikipedia.org/wiki/%DA%88%D8%B1%DB%8C%DA%A9%D9%B9_%DA%A9%D8%B1%D9%86%D9%B9" title="ڈریکٹ کرنٹ - Western Punjabi" lang="pnb" hreflang="pnb" data-title="ڈریکٹ کرنٹ" data-language-autonym="پنجابی" data-language-local-name="Western Punjabi" class="interlanguage-link-target"><span>پنجابی</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Corrente_cont%C3%ADnua" title="Corrente contínua - portoghese" lang="pt" hreflang="pt" data-title="Corrente contínua" data-language-autonym="Português" data-language-local-name="portoghese" 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/Curent_continuu" title="Curent continuu - rumeno" lang="ro" hreflang="ro" data-title="Curent continuu" data-language-autonym="Română" data-language-local-name="rumeno" 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%9F%D0%BE%D1%81%D1%82%D0%BE%D1%8F%D0%BD%D0%BD%D1%8B%D0%B9_%D1%82%D0%BE%D0%BA" title="Постоянный ток - russo" lang="ru" hreflang="ru" data-title="Постоянный ток" data-language-autonym="Русский" data-language-local-name="russo" 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/Jednosmjerna_struja" title="Jednosmjerna struja - serbo-croato" lang="sh" hreflang="sh" data-title="Jednosmjerna struja" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="serbo-croato" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Direct_current" title="Direct current - Simple English" lang="en-simple" hreflang="en-simple" data-title="Direct current" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Jednosmern%C3%BD_pr%C3%BAd" title="Jednosmerný prúd - slovacco" lang="sk" hreflang="sk" data-title="Jednosmerný prúd" data-language-autonym="Slovenčina" data-language-local-name="slovacco" 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/Enosmerni_elektri%C4%8Dni_tok" title="Enosmerni električni tok - sloveno" lang="sl" hreflang="sl" data-title="Enosmerni električni tok" data-language-autonym="Slovenščina" data-language-local-name="sloveno" 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/Rryma_e_vazhdueshme" title="Rryma e vazhdueshme - albanese" lang="sq" hreflang="sq" data-title="Rryma e vazhdueshme" data-language-autonym="Shqip" data-language-local-name="albanese" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%88%D0%B5%D0%B4%D0%BD%D0%BE%D1%81%D0%BC%D0%B5%D1%80%D0%BD%D0%B0_%D1%81%D1%82%D1%80%D1%83%D1%98%D0%B0" title="Једносмерна струја - serbo" lang="sr" hreflang="sr" data-title="Једносмерна струја" data-language-autonym="Српски / srpski" data-language-local-name="serbo" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-stq mw-list-item"><a href="https://stq.wikipedia.org/wiki/Glieksponnenge" title="Glieksponnenge - saterfriesisch" lang="stq" hreflang="stq" data-title="Glieksponnenge" data-language-autonym="Seeltersk" data-language-local-name="saterfriesisch" class="interlanguage-link-target"><span>Seeltersk</span></a></li><li class="interlanguage-link interwiki-su mw-list-item"><a href="https://su.wikipedia.org/wiki/Arus_listrik_saarah" title="Arus listrik saarah - sundanese" lang="su" hreflang="su" data-title="Arus listrik saarah" data-language-autonym="Sunda" data-language-local-name="sundanese" class="interlanguage-link-target"><span>Sunda</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Likstr%C3%B6m" title="Likström - svedese" lang="sv" hreflang="sv" data-title="Likström" data-language-autonym="Svenska" data-language-local-name="svedese" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%A8%E0%AF%87%E0%AE%B0%E0%AF%8D_%E0%AE%AE%E0%AE%BF%E0%AE%A9%E0%AF%8D%E0%AE%A9%E0%AF%8B%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%AE%E0%AF%8D" title="நேர் மின்னோட்டம் - tamil" lang="ta" hreflang="ta" data-title="நேர் மின்னோட்டம்" data-language-autonym="தமிழ்" data-language-local-name="tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-te mw-list-item"><a href="https://te.wikipedia.org/wiki/%E0%B0%8F%E0%B0%95%E0%B0%AE%E0%B1%81%E0%B0%96_%E0%B0%B5%E0%B0%BF%E0%B0%A6%E0%B1%8D%E0%B0%AF%E0%B1%81%E0%B0%A4%E0%B1%8D_%E0%B0%AA%E0%B1%8D%E0%B0%B0%E0%B0%B5%E0%B0%BE%E0%B0%B9%E0%B0%82" title="ఏకముఖ విద్యుత్ ప్రవాహం - telugu" lang="te" hreflang="te" data-title="ఏకముఖ విద్యుత్ ప్రవాహం" data-language-autonym="తెలుగు" data-language-local-name="telugu" class="interlanguage-link-target"><span>తెలుగు</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B9%84%E0%B8%9F%E0%B8%9F%E0%B9%89%E0%B8%B2%E0%B8%81%E0%B8%A3%E0%B8%B0%E0%B9%81%E0%B8%AA%E0%B8%95%E0%B8%A3%E0%B8%87" title="ไฟฟ้ากระแสตรง - thailandese" lang="th" hreflang="th" data-title="ไฟฟ้ากระแสตรง" data-language-autonym="ไทย" data-language-local-name="thailandese" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tl mw-list-item"><a href="https://tl.wikipedia.org/wiki/Direct_current" title="Direct current - tagalog" lang="tl" hreflang="tl" data-title="Direct current" data-language-autonym="Tagalog" data-language-local-name="tagalog" class="interlanguage-link-target"><span>Tagalog</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Do%C4%9Fru_ak%C4%B1m" title="Doğru akım - turco" lang="tr" hreflang="tr" data-title="Doğru akım" data-language-autonym="Türkçe" data-language-local-name="turco" 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%9F%D0%BE%D1%81%D1%82%D1%96%D0%B9%D0%BD%D0%B8%D0%B9_%D1%81%D1%82%D1%80%D1%83%D0%BC" title="Постійний струм - ucraino" lang="uk" hreflang="uk" data-title="Постійний струм" data-language-autonym="Українська" data-language-local-name="ucraino" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%D8%B1%D8%A7%D8%B3%D8%AA_%D8%B1%D9%88" title="راست رو - urdu" lang="ur" hreflang="ur" data-title="راست رو" data-language-autonym="اردو" data-language-local-name="urdu" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/O%CA%BBzgarmas_tok" title="Oʻzgarmas tok - uzbeco" lang="uz" hreflang="uz" data-title="Oʻzgarmas tok" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="uzbeco" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/%C4%90i%E1%BB%87n_m%E1%BB%99t_chi%E1%BB%81u" title="Điện một chiều - vietnamita" lang="vi" hreflang="vi" data-title="Điện một chiều" data-language-autonym="Tiếng Việt" data-language-local-name="vietnamita" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-war mw-list-item"><a href="https://war.wikipedia.org/wiki/Direct_current" title="Direct current - waray" lang="war" hreflang="war" data-title="Direct current" data-language-autonym="Winaray" data-language-local-name="waray" class="interlanguage-link-target"><span>Winaray</span></a></li><li class="interlanguage-link interwiki-wo mw-list-item"><a href="https://wo.wikipedia.org/wiki/Dawaan_gu_w%C3%A9y" title="Dawaan gu wéy - wolof" lang="wo" hreflang="wo" data-title="Dawaan gu wéy" data-language-autonym="Wolof" data-language-local-name="wolof" class="interlanguage-link-target"><span>Wolof</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E7%9B%B4%E6%B5%81%E7%94%B5" title="直流电 - wu" lang="wuu" hreflang="wuu" data-title="直流电" data-language-autonym="吴语" data-language-local-name="wu" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E7%9B%B4%E6%B5%81%E9%9B%BB" title="直流電 - cinese" lang="zh" hreflang="zh" data-title="直流電" data-language-autonym="中文" data-language-local-name="cinese" class="interlanguage-link-target"><span>中文</span></a></li><li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/Ti%CC%8Dt-li%C3%BB" title="Ti̍t-liû - min nan" lang="nan" hreflang="nan" data-title="Ti̍t-liû" 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</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">Da Wikipedia, l'enciclopedia libera.</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="it" dir="ltr"><style data-mw-deduplicate="TemplateStyles:r133964453">.mw-parser-output .avviso .mbox-text-div>div,.mw-parser-output .avviso .mbox-text-full-div>div{font-size:90%}.mw-parser-output .avviso .mbox-image{flex-basis:52px;flex-grow:0;flex-shrink:0}.mw-parser-output .avviso .mbox-text-full-div .hide-when-compact{display:block}</style><div style="" class="ambox metadata plainlinks avviso avviso-contenuto"> <div class="avviso-immagine mbox-image noprint"><span typeof="mw:File"><a href="/wiki/File:Question_book-4.svg" class="mw-file-description" title="Niente fonti!"><img alt="Niente fonti!" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/64/Question_book-4.svg/45px-Question_book-4.svg.png" decoding="async" width="45" height="35" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/64/Question_book-4.svg/68px-Question_book-4.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/64/Question_book-4.svg/90px-Question_book-4.svg.png 2x" data-file-width="262" data-file-height="204" /></a></span></div> <div class="avviso-testo mbox-text"> <div class="mbox-text-div"><b>Questa voce o sezione  sull'argomento fisica <a href="/wiki/Wikipedia:Uso_delle_fonti" title="Wikipedia:Uso delle fonti">non cita le fonti necessarie</a> o quelle presenti sono insufficienti</b>. <div class="hide-when-compact"> <div class="noprint"><hr />Puoi <a class="external text" href="https://it.wikipedia.org/w/index.php?title=Corrente_continua&action=edit">migliorare questa voce</a> aggiungendo citazioni da <a href="/wiki/Wikipedia:Fonti_attendibili" title="Wikipedia:Fonti attendibili">fonti attendibili</a> secondo le <a href="/wiki/Wikipedia:Uso_delle_fonti" title="Wikipedia:Uso delle fonti">linee guida sull'uso delle fonti</a>. Segui i suggerimenti del <a href="/wiki/Progetto:Fisica" title="Progetto:Fisica">progetto di riferimento</a>.</div> </div> </div> </div> </div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Direct_current_symbol.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/9/9f/Direct_current_symbol.svg/220px-Direct_current_symbol.svg.png" decoding="async" width="220" height="88" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/9f/Direct_current_symbol.svg/330px-Direct_current_symbol.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/9f/Direct_current_symbol.svg/440px-Direct_current_symbol.svg.png 2x" data-file-width="250" data-file-height="100" /></a><figcaption>Simbolo della corrente continua</figcaption></figure> <p>In <a href="/wiki/Elettrotecnica" title="Elettrotecnica">elettrotecnica</a> la <b>corrente continua</b> (<b>CC</b> o <b>DC</b>, dall'<a href="/wiki/Lingua_inglese" title="Lingua inglese">inglese</a>: <i><b>D</b>irect <b>C</b>urrent</i>) è un tipo di <a href="/wiki/Corrente_elettrica" title="Corrente elettrica">corrente elettrica</a> caratterizzata da un <a href="/wiki/Flusso" title="Flusso">flusso</a> di <a href="/wiki/Carica_elettrica" title="Carica elettrica">carica elettrica</a> di direzione costante nel <a href="/wiki/Tempo" title="Tempo">tempo</a><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>. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Descrizione">Descrizione</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Corrente_continua&veaction=edit&section=1" title="Modifica la sezione Descrizione" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Corrente_continua&action=edit&section=1" title="Edit section's source code: Descrizione"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Types_of_current.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/3/38/Types_of_current.svg/220px-Types_of_current.svg.png" decoding="async" width="220" height="119" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/38/Types_of_current.svg/330px-Types_of_current.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/38/Types_of_current.svg/440px-Types_of_current.svg.png 2x" data-file-width="738" data-file-height="400" /></a><figcaption>L'asse verticale rappresenta la corrente o la tensione (V,I), l'asse orizzontale rappresenta il tempo t. La linea di colore rosso rappresenta grandezze (V,I) continue di valore costante nel tempo. La linea di colore blu rappresenta una grandezza (V,I) continua ma di valore pulsante nel tempo.</figcaption></figure> <p>In una corrente continua le cariche degli <a href="/wiki/Elettrone" title="Elettrone">elettroni</a> fluiscono costantemente nello stesso senso, all'interno del circuito, quindi circolano sempre nello stesso verso. Lo scienziato francese <a href="/wiki/Andr%C3%A9-Marie_Amp%C3%A8re" title="André-Marie Ampère">André-Marie Ampère</a> introdusse il concetto di <b>corrente continua</b>, congetturando che il verso delle cariche fluisca dal polo positivo al polo negativo, di una pila voltaica i cui terminali sono collegati; in realtà, venne scoperto vari decenni dopo che il flusso elettrico di corrente si realizza effettivamente dal polo negativo a quello positivo, essendo gli elettroni portatori di carica negativa (-).<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><sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Simbologia">Simbologia</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Corrente_continua&veaction=edit&section=2" title="Modifica la sezione Simbologia" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Corrente_continua&action=edit&section=2" title="Edit section's source code: Simbologia"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>In molti dispositivi la sigla per indicare la corrente continua è DC (<i>Direct Current</i> ), oppure si utilizza il simbolo di una linea continua (—) con tre linee più corte (---) sottostanti, mentre per la <a href="/wiki/Corrente_alternata" title="Corrente alternata">corrente alternata</a> si utilizza invece la sigla AC (<i>Alternating Current</i> ) o il simbolo (~) della <a href="/wiki/Onda_sinusoidale" title="Onda sinusoidale">sinusoide</a>. </p> <div class="mw-heading mw-heading3"><h3 id="Polarità"><span id="Polarit.C3.A0"></span>Polarità</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Corrente_continua&veaction=edit&section=3" title="Modifica la sezione Polarità" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Corrente_continua&action=edit&section=3" title="Edit section's source code: Polarità"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>In un sistema in corrente continua, a differenza di uno in alternata, è molto importante rispettare il verso della corrente, ovvero la <a href="/wiki/Polarit%C3%A0_elettrica" title="Polarità elettrica">polarità</a>. Esistono infatti nelle batterie un polo "positivo" e uno "negativo", che devono essere correttamente collegati al carico. Per esempio, un <a href="/wiki/Motore_in_corrente_continua" class="mw-redirect" title="Motore in corrente continua">motore in corrente continua</a>, se alimentato al contrario ruota in senso inverso, a differenza di un <a href="/wiki/Motore_in_corrente_alternata" title="Motore in corrente alternata">motore in corrente alternata</a> monofase. Molti circuiti elettronici, se alimentati erroneamente, possono guastarsi, in particolare se non sono protetti da un <a href="/wiki/Diodo" title="Diodo">diodo</a> antinversione. </p> <div class="mw-heading mw-heading3"><h3 id="Produzione_e_conversione">Produzione e conversione</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Corrente_continua&veaction=edit&section=4" title="Modifica la sezione Produzione e conversione" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Corrente_continua&action=edit&section=4" title="Edit section's source code: Produzione e conversione"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Current_rectification_diagram_(it).png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5c/Current_rectification_diagram_%28it%29.png/220px-Current_rectification_diagram_%28it%29.png" decoding="async" width="220" height="200" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5c/Current_rectification_diagram_%28it%29.png/330px-Current_rectification_diagram_%28it%29.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5c/Current_rectification_diagram_%28it%29.png/440px-Current_rectification_diagram_%28it%29.png 2x" data-file-width="624" data-file-height="567" /></a><figcaption>In alto, corrente continua; al centro, unidirezionale pulsante perché raddrizzata a una semionda; in basso, raddrizzata a doppia semionda</figcaption></figure> <p>La corrente continua può essere direttamente prodotta non solo tramite una <a href="/wiki/Dinamo" title="Dinamo">dinamo</a>, ma anche tramite un <a href="/wiki/Alternatore" title="Alternatore">alternatore</a> (generatore di <a href="/wiki/Corrente_alternata" title="Corrente alternata">corrente alternata</a> - CA), seguito da un processo di eliminazione della componente negativa dell'onda alternata prodotta (la semi-onda negativa), oppure da un processo di <a href="/wiki/Raddrizzatore" title="Raddrizzatore">raddrizzamento</a>, che "somma" la componente negativa a quella positiva (da cui il termine "raddrizzamento"). Infine, la corrente unidirezionale pulsante costituita in questi modi, dovrà essere livellata e più o meno stabilizzata. Se per il caso più semplice è sufficiente un <a href="/wiki/Diodo" title="Diodo">diodo</a> o due, per raddrizzare l'intera onda è necessario un <a href="/wiki/Ponte_raddrizzatore" class="mw-redirect" title="Ponte raddrizzatore">ponte di diodi</a>, e ciò fornisce una frequenza e una potenza doppia rispetto al primo caso, dunque, una forma più simile ad una corrente continua reale. Infine, per livellare questo segnale pulsante, fornendo una corrente quanto più possibile vicina a un valore continuo (vedi <a href="/wiki/Circuito_RC" title="Circuito RC">circuito RC</a>), è necessario l'uso di <a href="/wiki/Condensatore_(elettrotecnica)" title="Condensatore (elettrotecnica)">condensatori</a> ad <a href="/wiki/Capacit%C3%A0_elettrica" title="Capacità elettrica">alta capacità</a>, posti a valle dei diodi raddrizzatori. </p><p>Viceversa, la conversione di una corrente continua in una corrente alternata è molto più complessa, in particolare perché è necessario generare informazione relativa a forma d'onda, frequenza e fase. L'operazione è svolta da complessi dispositivi elettronici definiti <i><a href="/wiki/Inverter" title="Inverter">inverter</a></i> (invertitori di corrente). </p> <div class="mw-heading mw-heading2"><h2 id="Applicazioni_e_uso">Applicazioni e uso</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Corrente_continua&veaction=edit&section=5" title="Modifica la sezione Applicazioni e uso" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Corrente_continua&action=edit&section=5" title="Edit section's source code: Applicazioni e uso"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>La corrente continua è largamente usata in forma di bassa tensione in <a href="/wiki/Elettronica_di_consumo" title="Elettronica di consumo">elettronica</a>, all'interno degli <a href="/wiki/Elettrodomestico" title="Elettrodomestico">elettrodomestici</a>, e specialmente nei dispositivi alimentati con <a href="/wiki/Pila_(chimica)" class="mw-redirect" title="Pila (chimica)">pile</a> e <a href="/wiki/Batteria_(chimica)" class="mw-redirect" title="Batteria (chimica)">batterie</a> (in grado di generare esclusivamente corrente continua). Viene impiegata negli impianti elettrici delle <a href="/wiki/Automobile" title="Automobile">automobili</a> e dei vari mezzi di trasporto, dove viene accumulata da batterie al <a href="/wiki/Piombo" title="Piombo">piombo</a>, dopo essere stata generata dall'<a href="/wiki/Alternatore" title="Alternatore">alternatore</a> e trasformata in corrente continua. Ad esempio, è continua anche l'energia elettrica prodotta dai <a href="/wiki/Pannello_fotovoltaico" title="Pannello fotovoltaico">pannelli fotovoltaici</a> e dalle <a href="/wiki/Pila_a_combustibile" title="Pila a combustibile">pile a combustibile</a>. </p><p>La corrente continua fu adottata da <a href="/wiki/Thomas_Alva_Edison" class="mw-redirect" title="Thomas Alva Edison">Thomas Alva Edison</a> verso la fine del <a href="/wiki/XIX_secolo" title="XIX secolo">XIX secolo</a>, agli inizi della distribuzione elettrica industriale. Successivamente però la tecnologia si è spostata verso la corrente alternata, inventata da <a href="/wiki/Nikola_Tesla" title="Nikola Tesla">Nikola Tesla</a>, più conveniente per la <a href="/wiki/Trasmissione_di_energia_elettrica" title="Trasmissione di energia elettrica">trasmissione di energia elettrica</a> a grande distanza. </p><p>Oggigiorno la corrente continua è adottata in alcuni <a href="/wiki/Elettrodotto" title="Elettrodotto">elettrodotti</a> (<a href="/wiki/High_Voltage_Direct_Current" class="mw-redirect" title="High Voltage Direct Current">HVDC</a>), nei <a href="/wiki/Cavo_sottomarino" title="Cavo sottomarino">cavi sottomarini</a> e nell'alimentazione <a href="/wiki/Ferrovia" title="Ferrovia">ferroviaria</a> in alcune nazioni. </p> <div class="mw-heading mw-heading2"><h2 id="Note">Note</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Corrente_continua&veaction=edit&section=6" title="Modifica la sezione Note" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Corrente_continua&action=edit&section=6" title="Edit section's source code: Note"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><a href="#cite_ref-1"><b>^</b></a> <span class="reference-text"><cite class="citation libro" style="font-style:normal"> Raymond A. Serway, John W. Jewett Jr., <a rel="nofollow" class="external text" href="https://www.edisesuniversita.it/default/serway-fisica-per-scienze-ed-ingegneria-volume-secondo.html"><span style="font-style:italic;">Fisica per scienze e ingegneria</span></a>, a cura di Carlo Angelini, Pierluigi Braccini, Mauro Morganti, traduzione di Carlo Angelini, Sergio Betti, Pierluigi Braccini, Ersilio Castorina, Enrico Maccioni, Marco Maria Massai, Mauro Morganti, vol. 2, cap. 28, 4ª ed., Napoli, EdiSES S.r.l., 2010 <abbr title="Data di edizione originale">[2008]</abbr>, p. 775. <small>URL consultato l'8 dicembre 2020</small>.</cite></span> </li> <li id="cite_note-2"><a href="#cite_ref-2"><b>^</b></a> <span class="reference-text">www.andreaminini.org/fisica/elettricita/corrente-elettrica</span> </li> <li id="cite_note-3"><a href="#cite_ref-3"><b>^</b></a> <span class="reference-text">www.dacrema.com/fisica/Corrente elettrica.htm</span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="Voci_correlate">Voci correlate</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Corrente_continua&veaction=edit&section=7" title="Modifica la sezione Voci correlate" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Corrente_continua&action=edit&section=7" title="Edit section's source code: Voci correlate"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Energia_elettrica" title="Energia elettrica">Energia elettrica</a></li> <li><a href="/wiki/Corrente_elettrica" title="Corrente elettrica">Corrente elettrica</a></li> <li><a href="/wiki/Corrente_alternata" title="Corrente alternata">Corrente alternata</a></li> <li><a href="/wiki/Alimentatore_elettrico" title="Alimentatore elettrico">Alimentatore elettrico</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="Altri_progetti">Altri progetti</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Corrente_continua&veaction=edit&section=8" title="Modifica la sezione Altri progetti" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Corrente_continua&action=edit&section=8" title="Edit section's source code: Altri progetti"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <div id="interProject" class="toccolours" style="display: none; clear: both; margin-top: 2em"><p id="sisterProjects" style="background-color: #efefef; color: black; font-weight: bold; margin: 0"><span>Altri progetti</span></p><ul title="Collegamenti verso gli altri progetti Wikimedia"> <li class="" title=""><a href="https://it.wiktionary.org/wiki/corrente_continua" class="extiw" title="wikt:corrente continua">Wikizionario</a></li> <li class="" title=""><span class="plainlinks" title="commons:Category:Direct current"><a class="external text" href="https://commons.wikimedia.org/wiki/Category:Direct_current?uselang=it">Wikimedia Commons</a></span></li></ul></div> <ul><li><span typeof="mw:File"><a href="https://it.wiktionary.org/wiki/" title="Collabora a Wikizionario"><img alt="Collabora a Wikizionario" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f9/Wiktionary_small.svg/18px-Wiktionary_small.svg.png" decoding="async" width="18" height="18" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f9/Wiktionary_small.svg/27px-Wiktionary_small.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f9/Wiktionary_small.svg/36px-Wiktionary_small.svg.png 2x" data-file-width="350" data-file-height="350" /></a></span> <a href="https://it.wiktionary.org/wiki/" class="extiw" title="wikt:">Wikizionario</a> contiene il lemma di dizionario «<b><a href="https://it.wiktionary.org/wiki/corrente_continua" class="extiw" title="wikt:corrente continua">corrente continua</a></b>»</li> <li><span typeof="mw:File"><a href="https://commons.wikimedia.org/wiki/?uselang=it" title="Collabora a Wikimedia Commons"><img alt="Collabora a Wikimedia Commons" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/18px-Commons-logo.svg.png" decoding="async" width="18" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/27px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/36px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></a></span> <span class="plainlinks"><a class="external text" href="https://commons.wikimedia.org/wiki/?uselang=it">Wikimedia Commons</a></span> contiene immagini o altri file sulla <b><span class="plainlinks"><a class="external text" href="https://commons.wikimedia.org/wiki/Category:Direct_current?uselang=it">corrente continua</a></span></b></li></ul> <div class="mw-heading mw-heading2"><h2 id="Collegamenti_esterni">Collegamenti esterni</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Corrente_continua&veaction=edit&section=9" title="Modifica la sezione Collegamenti esterni" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Corrente_continua&action=edit&section=9" title="Edit section's source code: Collegamenti esterni"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li class="mw-empty-elt"></li> <li><cite id="CITEREFDizionario_delle_scienze_fisiche" class="citation libro" style="font-style:normal"> <a rel="nofollow" class="external text" href="https://www.treccani.it/enciclopedia/c-c-c-c-cc_(Dizionario-delle-Scienze-Fisiche)/"><span style="font-style:italic;">c.c., C.C., CC</span></a>, in <span style="font-style:italic;">Dizionario delle scienze fisiche</span>, <a href="/wiki/Istituto_dell%27Enciclopedia_Italiana" title="Istituto dell'Enciclopedia Italiana">Istituto dell'Enciclopedia Italiana</a>, 1996.</cite> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q159241#P10017" title="Modifica su Wikidata"><img alt="Modifica su Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/10px-Blue_pencil.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/15px-Blue_pencil.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/20px-Blue_pencil.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></li> <li><cite id="CITEREFBritannica.com" class="citation web" style="font-style:normal">(<span style="font-weight:bolder; font-size:80%"><abbr title="inglese">EN</abbr></span>) <a rel="nofollow" class="external text" href="https://www.britannica.com/science/direct-current"><span style="font-style:italic;">direct current</span></a> / <a rel="nofollow" class="external text" href="https://www.britannica.com/technology/direct-current-transmission"><span style="font-style:italic;">direct-current transmission</span></a>, su <span style="font-style:italic;"><a href="/wiki/Enciclopedia_Britannica" title="Enciclopedia Britannica">Enciclopedia Britannica</a></span>, Encyclopædia Britannica, Inc.</cite> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q159241#P1417" title="Modifica su Wikidata"><img alt="Modifica su Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/10px-Blue_pencil.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/15px-Blue_pencil.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/20px-Blue_pencil.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></li></ul> <style data-mw-deduplicate="TemplateStyles:r140554510">.mw-parser-output .CdA{border:1px solid #aaa;width:100%;margin:auto;font-size:90%;padding:2px}.mw-parser-output .CdA th{background-color:#f2f2f2;font-weight:bold;width:20%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .CdA{border-color:#54595D}html.skin-theme-clientpref-night .mw-parser-output .CdA th{background-color:#202122}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .CdA{border-color:#54595D}html.skin-theme-clientpref-os .mw-parser-output .CdA th{background-color:#202122}}</style><table class="CdA"><tbody><tr><th><a href="/wiki/Aiuto:Controllo_di_autorit%C3%A0" title="Aiuto:Controllo di autorità">Controllo di autorità</a></th><td><a href="/wiki/Nuovo_soggettario" title="Nuovo soggettario">Thesaurus BNCF</a> <span class="uid"><a rel="nofollow" class="external text" href="https://thes.bncf.firenze.sbn.it/termine.php?id=31817">31817</a></span><span style="font-weight:bold;"> ·</span> <a href="/wiki/Library_of_Congress_Control_Number" title="Library of Congress Control Number">LCCN</a> <span class="uid">(<span style="font-weight:bolder; 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