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<span class="vector-toc-numb">2</span> <span>Definition före maj 2019</span> </div> </a> <ul id="toc-Definition_före_maj_2019-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Se_även" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Se_även"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Se även</span> </div> </a> <ul id="toc-Se_även-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Referenser" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Referenser"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Referenser</span> </div> </a> <ul id="toc-Referenser-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="Innehåll" 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class="firstHeading mw-first-heading"><span class="mw-page-title-main">Ampere</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="Gå till en artikel på ett annat språk. Tillgänglig på 116 språk" > <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-116" 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">116 språk</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/Ampere" title="Ampere – afrikaans" lang="af" hreflang="af" data-title="Ampere" data-language-autonym="Afrikaans" data-language-local-name="afrikaans" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-als mw-list-item"><a href="https://als.wikipedia.org/wiki/Ampere" title="Ampere – schweizertyska" lang="gsw" hreflang="gsw" data-title="Ampere" data-language-autonym="Alemannisch" data-language-local-name="schweizertyska" class="interlanguage-link-target"><span>Alemannisch</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%A3%D9%85%D8%A8%D9%8A%D8%B1" title="أمبير – arabiska" lang="ar" hreflang="ar" data-title="أمبير" data-language-autonym="العربية" data-language-local-name="arabiska" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-hyw mw-list-item"><a href="https://hyw.wikipedia.org/wiki/%D4%B1%D5%B4%D6%83%D5%A5%D6%80" title="Ամփեր – Western Armenian" lang="hyw" hreflang="hyw" data-title="Ամփեր" data-language-autonym="Արեւմտահայերէն" data-language-local-name="Western Armenian" class="interlanguage-link-target"><span>Արեւմտահայերէն</span></a></li><li class="interlanguage-link interwiki-as mw-list-item"><a href="https://as.wikipedia.org/wiki/%E0%A6%8F%E0%A6%AE%E0%A7%8D%E0%A6%AA%E0%A6%BF%E0%A6%AF%E0%A6%BC%E0%A6%BE%E0%A7%B0" title="এম্পিয়াৰ – assamesiska" lang="as" hreflang="as" data-title="এম্পিয়াৰ" data-language-autonym="অসমীয়া" data-language-local-name="assamesiska" class="interlanguage-link-target"><span>অসমীয়া</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Amperiu" title="Amperiu – asturiska" lang="ast" hreflang="ast" data-title="Amperiu" data-language-autonym="Asturianu" data-language-local-name="asturiska" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-gn mw-list-item"><a href="https://gn.wikipedia.org/wiki/Amperio" title="Amperio – guaraní" lang="gn" hreflang="gn" data-title="Amperio" data-language-autonym="Avañe'ẽ" data-language-local-name="guaraní" class="interlanguage-link-target"><span>Avañe'ẽ</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Amper" title="Amper – azerbajdzjanska" lang="az" hreflang="az" data-title="Amper" data-language-autonym="Azərbaycanca" data-language-local-name="azerbajdzjanska" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-azb mw-list-item"><a href="https://azb.wikipedia.org/wiki/%D8%A2%D9%85%D9%BE%D8%B1" title="آمپر – South Azerbaijani" lang="azb" hreflang="azb" data-title="آمپر" data-language-autonym="تۆرکجه" data-language-local-name="South Azerbaijani" class="interlanguage-link-target"><span>تۆرکجه</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%85%E0%A7%8D%E0%A6%AF%E0%A6%BE%E0%A6%AE%E0%A7%8D%E0%A6%AA%E0%A6%BF%E0%A6%AF%E0%A6%BC%E0%A6%BE%E0%A6%B0" title="অ্যাম্পিয়ার – bengali" lang="bn" hreflang="bn" data-title="অ্যাম্পিয়ার" data-language-autonym="বাংলা" data-language-local-name="bengali" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/Ampere" title="Ampere – min nan" lang="nan" hreflang="nan" data-title="Ampere" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="min nan" class="interlanguage-link-target"><span>閩南語 / Bân-lâm-gú</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%90%D0%BC%D0%BF%D0%B5%D1%80_(%D0%B0%D0%B4%D0%B7%D1%96%D0%BD%D0%BA%D0%B0_%D0%B2%D1%8B%D0%BC%D1%8F%D1%80%D1%8D%D0%BD%D0%BD%D1%8F)" title="Ампер (адзінка вымярэння) – belarusiska" lang="be" hreflang="be" data-title="Ампер (адзінка вымярэння)" data-language-autonym="Беларуская" data-language-local-name="belarusiska" 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%90%D0%BC%D0%BF%D1%8D%D1%80" title="Ампэр – belarusiska (tarasjkevitsa)" lang="be-tarask" hreflang="be-tarask" data-title="Ампэр" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="belarusiska (tarasjkevitsa)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%90%D0%BC%D0%BF%D0%B5%D1%80" title="Ампер – bulgariska" lang="bg" hreflang="bg" data-title="Ампер" data-language-autonym="Български" data-language-local-name="bulgariska" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bar mw-list-item"><a href="https://bar.wikipedia.org/wiki/Ampere" title="Ampere – bayerska" lang="bar" hreflang="bar" data-title="Ampere" data-language-autonym="Boarisch" data-language-local-name="bayerska" class="interlanguage-link-target"><span>Boarisch</span></a></li><li class="interlanguage-link interwiki-bo mw-list-item"><a href="https://bo.wikipedia.org/wiki/%E0%BD%A8%E0%BD%98%E0%BC%8B%E0%BD%95%E0%BD%BA%E0%BD%A2%E0%BC%8D" title="ཨམ་ཕེར། – tibetanska" lang="bo" hreflang="bo" data-title="ཨམ་ཕེར།" data-language-autonym="བོད་ཡིག" data-language-local-name="tibetanska" class="interlanguage-link-target"><span>བོད་ཡིག</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Amper" title="Amper – bosniska" lang="bs" hreflang="bs" data-title="Amper" data-language-autonym="Bosanski" data-language-local-name="bosniska" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-br mw-list-item"><a href="https://br.wikipedia.org/wiki/Amper" title="Amper – bretonska" lang="br" hreflang="br" data-title="Amper" data-language-autonym="Brezhoneg" data-language-local-name="bretonska" class="interlanguage-link-target"><span>Brezhoneg</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Ampere" title="Ampere – katalanska" lang="ca" hreflang="ca" data-title="Ampere" data-language-autonym="Català" data-language-local-name="katalanska" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cv mw-list-item"><a href="https://cv.wikipedia.org/wiki/%D0%90%D0%BC%D0%BF%D0%B5%D1%80" title="Ампер – tjuvasjiska" lang="cv" hreflang="cv" data-title="Ампер" data-language-autonym="Чӑвашла" data-language-local-name="tjuvasjiska" class="interlanguage-link-target"><span>Чӑвашла</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Amp%C3%A9r" title="Ampér – tjeckiska" lang="cs" hreflang="cs" data-title="Ampér" data-language-autonym="Čeština" data-language-local-name="tjeckiska" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-cy mw-list-item"><a href="https://cy.wikipedia.org/wiki/Amper" title="Amper – walesiska" lang="cy" hreflang="cy" data-title="Amper" data-language-autonym="Cymraeg" data-language-local-name="walesiska" class="interlanguage-link-target"><span>Cymraeg</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Ampere" title="Ampere – danska" lang="da" hreflang="da" data-title="Ampere" data-language-autonym="Dansk" data-language-local-name="danska" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-ary mw-list-item"><a href="https://ary.wikipedia.org/wiki/%D8%A3%D9%85%D9%BE%D9%8A%D8%B1" title="أمپير – marockansk arabiska" lang="ary" hreflang="ary" data-title="أمپير" data-language-autonym="الدارجة" data-language-local-name="marockansk arabiska" class="interlanguage-link-target"><span>الدارجة</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Ampere" title="Ampere – tyska" lang="de" hreflang="de" data-title="Ampere" data-language-autonym="Deutsch" data-language-local-name="tyska" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Amper" title="Amper – estniska" lang="et" hreflang="et" data-title="Amper" data-language-autonym="Eesti" data-language-local-name="estniska" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%91%CE%BC%CF%80%CE%AD%CF%81" title="Αμπέρ – grekiska" lang="el" hreflang="el" data-title="Αμπέρ" data-language-autonym="Ελληνικά" data-language-local-name="grekiska" 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/Ampere" title="Ampere – engelska" lang="en" hreflang="en" data-title="Ampere" data-language-autonym="English" data-language-local-name="engelska" 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/Amperio" title="Amperio – spanska" lang="es" hreflang="es" data-title="Amperio" data-language-autonym="Español" data-language-local-name="spanska" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Ampero" title="Ampero – esperanto" lang="eo" hreflang="eo" data-title="Ampero" data-language-autonym="Esperanto" data-language-local-name="esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Ampere" title="Ampere – baskiska" lang="eu" hreflang="eu" data-title="Ampere" data-language-autonym="Euskara" data-language-local-name="baskiska" 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%A2%D9%85%D9%BE%D8%B1" title="آمپر – persiska" lang="fa" hreflang="fa" data-title="آمپر" data-language-autonym="فارسی" data-language-local-name="persiska" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Amp%C3%A8re" title="Ampère – franska" lang="fr" hreflang="fr" data-title="Ampère" data-language-autonym="Français" data-language-local-name="franska" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-fy mw-list-item"><a href="https://fy.wikipedia.org/wiki/Amp%C3%AAre" title="Ampêre – västfrisiska" lang="fy" hreflang="fy" data-title="Ampêre" data-language-autonym="Frysk" data-language-local-name="västfrisiska" class="interlanguage-link-target"><span>Frysk</span></a></li><li class="interlanguage-link interwiki-fur mw-list-item"><a href="https://fur.wikipedia.org/wiki/Ampere" title="Ampere – friulianska" lang="fur" hreflang="fur" data-title="Ampere" data-language-autonym="Furlan" data-language-local-name="friulianska" class="interlanguage-link-target"><span>Furlan</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Aimp%C3%A9ar" title="Aimpéar – iriska" lang="ga" hreflang="ga" data-title="Aimpéar" data-language-autonym="Gaeilge" data-language-local-name="iriska" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Ampere" title="Ampere – galiciska" lang="gl" hreflang="gl" data-title="Ampere" data-language-autonym="Galego" data-language-local-name="galiciska" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-gan mw-list-item"><a href="https://gan.wikipedia.org/wiki/%E5%AE%89" title="安 – gan" lang="gan" hreflang="gan" data-title="安" data-language-autonym="贛語" data-language-local-name="gan" class="interlanguage-link-target"><span>贛語</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%95%94%ED%8E%98%EC%96%B4" title="암페어 – koreanska" lang="ko" hreflang="ko" data-title="암페어" data-language-autonym="한국어" data-language-local-name="koreanska" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D4%B1%D5%B4%D5%BA%D5%A5%D6%80_(%D5%B9%D5%A1%D6%83%D5%B4%D5%A1%D5%B6_%D5%B4%D5%AB%D5%A1%D5%BE%D5%B8%D6%80)" title="Ամպեր (չափման միավոր) – armeniska" lang="hy" hreflang="hy" data-title="Ամպեր (չափման միավոր)" data-language-autonym="Հայերեն" data-language-local-name="armeniska" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%8F%E0%A4%AE%E0%A5%8D%E0%A4%AA%E0%A4%BF%E0%A4%AF%E0%A4%B0" title="एम्पियर – hindi" lang="hi" hreflang="hi" data-title="एम्पियर" 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/Amper" title="Amper – kroatiska" lang="hr" hreflang="hr" data-title="Amper" data-language-autonym="Hrvatski" data-language-local-name="kroatiska" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-io mw-list-item"><a href="https://io.wikipedia.org/wiki/Ampero" title="Ampero – ido" lang="io" hreflang="io" data-title="Ampero" data-language-autonym="Ido" data-language-local-name="ido" class="interlanguage-link-target"><span>Ido</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Ampere" title="Ampere – indonesiska" lang="id" hreflang="id" data-title="Ampere" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonesiska" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-ia mw-list-item"><a href="https://ia.wikipedia.org/wiki/Ampere" title="Ampere – interlingua" lang="ia" hreflang="ia" data-title="Ampere" data-language-autonym="Interlingua" data-language-local-name="interlingua" class="interlanguage-link-target"><span>Interlingua</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/Amper" title="Amper – isländska" lang="is" hreflang="is" data-title="Amper" data-language-autonym="Íslenska" data-language-local-name="isländska" 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/Ampere" title="Ampere – italienska" lang="it" hreflang="it" data-title="Ampere" data-language-autonym="Italiano" data-language-local-name="italienska" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%90%D7%9E%D7%A4%D7%A8" title="אמפר – hebreiska" lang="he" hreflang="he" data-title="אמפר" data-language-autonym="עברית" data-language-local-name="hebreiska" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-kn mw-list-item"><a href="https://kn.wikipedia.org/wiki/%E0%B2%8E%E0%B2%82%E0%B2%AA%E0%B2%BF%E0%B2%AF%E0%B2%B0%E0%B3%8D" title="ಎಂಪಿಯರ್ – kannada" lang="kn" hreflang="kn" data-title="ಎಂಪಿಯರ್" data-language-autonym="ಕನ್ನಡ" data-language-local-name="kannada" class="interlanguage-link-target"><span>ಕನ್ನಡ</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%90%E1%83%9B%E1%83%9E%E1%83%94%E1%83%A0%E1%83%98" title="ამპერი – georgiska" lang="ka" hreflang="ka" data-title="ამპერი" data-language-autonym="ქართული" data-language-local-name="georgiska" 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%90%D0%BC%D0%BF%D0%B5%D1%80" title="Ампер – kazakiska" lang="kk" hreflang="kk" data-title="Ампер" data-language-autonym="Қазақша" data-language-local-name="kazakiska" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-sw mw-list-item"><a href="https://sw.wikipedia.org/wiki/Ampea" title="Ampea – swahili" lang="sw" hreflang="sw" data-title="Ampea" data-language-autonym="Kiswahili" data-language-local-name="swahili" class="interlanguage-link-target"><span>Kiswahili</span></a></li><li class="interlanguage-link interwiki-ku mw-list-item"><a href="https://ku.wikipedia.org/wiki/Amper" title="Amper – kurdiska" lang="ku" hreflang="ku" data-title="Amper" data-language-autonym="Kurdî" data-language-local-name="kurdiska" class="interlanguage-link-target"><span>Kurdî</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Amperium_(unitas)" title="Amperium (unitas) – latin" lang="la" hreflang="la" data-title="Amperium (unitas)" data-language-autonym="Latina" data-language-local-name="latin" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Amp%C4%93rs" title="Ampērs – lettiska" lang="lv" hreflang="lv" data-title="Ampērs" data-language-autonym="Latviešu" data-language-local-name="lettiska" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Amp%C3%A8re_(Eenheet)" title="Ampère (Eenheet) – luxemburgiska" lang="lb" hreflang="lb" data-title="Ampère (Eenheet)" data-language-autonym="Lëtzebuergesch" data-language-local-name="luxemburgiska" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Amperas" title="Amperas – litauiska" lang="lt" hreflang="lt" data-title="Amperas" data-language-autonym="Lietuvių" data-language-local-name="litauiska" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-li mw-list-item"><a href="https://li.wikipedia.org/wiki/Amp%C3%A8re" title="Ampère – limburgiska" lang="li" hreflang="li" data-title="Ampère" data-language-autonym="Limburgs" data-language-local-name="limburgiska" class="interlanguage-link-target"><span>Limburgs</span></a></li><li class="interlanguage-link interwiki-jbo mw-list-item"><a href="https://jbo.wikipedia.org/wiki/xampo" title="xampo – lojban" lang="jbo" hreflang="jbo" data-title="xampo" data-language-autonym="La .lojban." data-language-local-name="lojban" class="interlanguage-link-target"><span>La .lojban.</span></a></li><li class="interlanguage-link interwiki-lmo mw-list-item"><a href="https://lmo.wikipedia.org/wiki/Ampere" title="Ampere – lombardiska" lang="lmo" hreflang="lmo" data-title="Ampere" data-language-autonym="Lombard" data-language-local-name="lombardiska" class="interlanguage-link-target"><span>Lombard</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Amper" title="Amper – ungerska" lang="hu" hreflang="hu" data-title="Amper" data-language-autonym="Magyar" data-language-local-name="ungerska" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%90%D0%BC%D0%BF%D0%B5%D1%80" title="Ампер – makedonska" lang="mk" hreflang="mk" data-title="Ампер" data-language-autonym="Македонски" data-language-local-name="makedonska" 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%86%E0%B4%82%E2%80%8C%E0%B4%AA%E0%B4%BF%E0%B4%AF%E0%B5%BC" title="ആം‌പിയർ – malayalam" lang="ml" hreflang="ml" data-title="ആം‌പിയർ" data-language-autonym="മലയാളം" data-language-local-name="malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-mr mw-list-item"><a href="https://mr.wikipedia.org/wiki/%E0%A5%B2%E0%A4%AE%E0%A5%8D%E0%A4%AA%E0%A4%BF%E0%A4%85%E0%A4%B0" title="ॲम्पिअर – marathi" lang="mr" hreflang="mr" data-title="ॲम्पिअर" data-language-autonym="मराठी" data-language-local-name="marathi" class="interlanguage-link-target"><span>मराठी</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Ampere" title="Ampere – malajiska" lang="ms" hreflang="ms" data-title="Ampere" data-language-autonym="Bahasa Melayu" data-language-local-name="malajiska" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-mn mw-list-item"><a href="https://mn.wikipedia.org/wiki/%D0%90%D0%BC%D0%BF%D0%B5%D1%80" title="Ампер – mongoliska" lang="mn" hreflang="mn" data-title="Ампер" data-language-autonym="Монгол" data-language-local-name="mongoliska" class="interlanguage-link-target"><span>Монгол</span></a></li><li class="interlanguage-link interwiki-my mw-list-item"><a href="https://my.wikipedia.org/wiki/%E1%80%A1%E1%80%99%E1%80%BA%E1%80%95%E1%80%AE%E1%80%9A%E1%80%AC" title="အမ်ပီယာ – burmesiska" lang="my" hreflang="my" data-title="အမ်ပီယာ" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="burmesiska" class="interlanguage-link-target"><span>မြန်မာဘာသာ</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Amp%C3%A8re_(eenheid)" title="Ampère (eenheid) – nederländska" lang="nl" hreflang="nl" data-title="Ampère (eenheid)" data-language-autonym="Nederlands" data-language-local-name="nederländska" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ne mw-list-item"><a href="https://ne.wikipedia.org/wiki/%E0%A4%8F%E0%A4%AE%E0%A5%8D%E0%A4%AA%E0%A4%BF%E0%A4%AF%E0%A4%B0" title="एम्पियर – nepalesiska" lang="ne" hreflang="ne" data-title="एम्पियर" data-language-autonym="नेपाली" data-language-local-name="nepalesiska" class="interlanguage-link-target"><span>नेपाली</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%82%A2%E3%83%B3%E3%83%9A%E3%82%A2" title="アンペア – japanska" lang="ja" hreflang="ja" data-title="アンペア" data-language-autonym="日本語" data-language-local-name="japanska" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-frr mw-list-item"><a href="https://frr.wikipedia.org/wiki/Ampere" title="Ampere – nordfrisiska" lang="frr" hreflang="frr" data-title="Ampere" data-language-autonym="Nordfriisk" data-language-local-name="nordfrisiska" class="interlanguage-link-target"><span>Nordfriisk</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Ampere" title="Ampere – norskt bokmål" lang="nb" hreflang="nb" data-title="Ampere" data-language-autonym="Norsk bokmål" data-language-local-name="norskt bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Ampere" title="Ampere – nynorska" lang="nn" hreflang="nn" data-title="Ampere" data-language-autonym="Norsk nynorsk" data-language-local-name="nynorska" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/Amp%C3%A8r" title="Ampèr – occitanska" lang="oc" hreflang="oc" data-title="Ampèr" data-language-autonym="Occitan" data-language-local-name="occitanska" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Amper" title="Amper – uzbekiska" lang="uz" hreflang="uz" data-title="Amper" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="uzbekiska" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%90%E0%A8%82%E0%A8%AA%E0%A9%80%E0%A8%85%E0%A8%B0" title="ਐਂਪੀਅਰ – punjabi" lang="pa" hreflang="pa" data-title="ਐਂਪੀਅਰ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="punjabi" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pnb mw-list-item"><a href="https://pnb.wikipedia.org/wiki/%D8%A7%DB%8C%D9%85%D9%BE%DB%8C%D8%A6%D8%B1" title="ایمپیئر – Western Punjabi" lang="pnb" hreflang="pnb" data-title="ایمپیئر" data-language-autonym="پنجابی" data-language-local-name="Western Punjabi" class="interlanguage-link-target"><span>پنجابی</span></a></li><li class="interlanguage-link interwiki-jam mw-list-item"><a href="https://jam.wikipedia.org/wiki/Ampier" title="Ampier – jamaikansk engelsk kreol" lang="jam" hreflang="jam" data-title="Ampier" data-language-autonym="Patois" data-language-local-name="jamaikansk engelsk kreol" class="interlanguage-link-target"><span>Patois</span></a></li><li class="interlanguage-link interwiki-km mw-list-item"><a href="https://km.wikipedia.org/wiki/%E1%9E%A2%E1%9F%86%E1%9E%96%E1%9F%82%E1%9E%9A" title="អំពែរ – kambodjanska" lang="km" hreflang="km" data-title="អំពែរ" data-language-autonym="ភាសាខ្មែរ" data-language-local-name="kambodjanska" class="interlanguage-link-target"><span>ភាសាខ្មែរ</span></a></li><li class="interlanguage-link interwiki-pms mw-list-item"><a href="https://pms.wikipedia.org/wiki/Amp%C3%A8re" title="Ampère – piemontesiska" lang="pms" hreflang="pms" data-title="Ampère" data-language-autonym="Piemontèis" data-language-local-name="piemontesiska" class="interlanguage-link-target"><span>Piemontèis</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/Ampere" title="Ampere – lågtyska" lang="nds" hreflang="nds" data-title="Ampere" data-language-autonym="Plattdüütsch" data-language-local-name="lågtyska" class="interlanguage-link-target"><span>Plattdüütsch</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Amper" title="Amper – polska" lang="pl" hreflang="pl" data-title="Amper" data-language-autonym="Polski" data-language-local-name="polska" 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/Ampere" title="Ampere – portugisiska" lang="pt" hreflang="pt" data-title="Ampere" data-language-autonym="Português" data-language-local-name="portugisiska" 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/Amper" title="Amper – rumänska" lang="ro" hreflang="ro" data-title="Amper" data-language-autonym="Română" data-language-local-name="rumänska" 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%90%D0%BC%D0%BF%D0%B5%D1%80" title="Ампер – ryska" lang="ru" hreflang="ru" data-title="Ампер" data-language-autonym="Русский" data-language-local-name="ryska" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sc mw-list-item"><a href="https://sc.wikipedia.org/wiki/Ampere" title="Ampere – sardinska" lang="sc" hreflang="sc" data-title="Ampere" data-language-autonym="Sardu" data-language-local-name="sardinska" class="interlanguage-link-target"><span>Sardu</span></a></li><li class="interlanguage-link interwiki-sco mw-list-item"><a href="https://sco.wikipedia.org/wiki/Ampere" title="Ampere – skotska" lang="sco" hreflang="sco" data-title="Ampere" data-language-autonym="Scots" data-language-local-name="skotska" class="interlanguage-link-target"><span>Scots</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Amperi" title="Amperi – albanska" lang="sq" hreflang="sq" data-title="Amperi" data-language-autonym="Shqip" data-language-local-name="albanska" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-scn mw-list-item"><a href="https://scn.wikipedia.org/wiki/Ampere" title="Ampere – sicilianska" lang="scn" hreflang="scn" data-title="Ampere" data-language-autonym="Sicilianu" data-language-local-name="sicilianska" class="interlanguage-link-target"><span>Sicilianu</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Ampere" title="Ampere – Simple English" lang="en-simple" hreflang="en-simple" data-title="Ampere" 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/Amp%C3%A9r" title="Ampér – slovakiska" lang="sk" hreflang="sk" data-title="Ampér" data-language-autonym="Slovenčina" data-language-local-name="slovakiska" 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/Amper" title="Amper – slovenska" lang="sl" hreflang="sl" data-title="Amper" data-language-autonym="Slovenščina" data-language-local-name="slovenska" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-cu mw-list-item"><a href="https://cu.wikipedia.org/wiki/%D1%A6%D0%BF%D1%94%D1%80%D1%8A" title="Ѧпєръ – kyrkslaviska" lang="cu" hreflang="cu" data-title="Ѧпєръ" data-language-autonym="Словѣньскъ / ⰔⰎⰑⰂⰡⰐⰠⰔⰍⰟ" data-language-local-name="kyrkslaviska" class="interlanguage-link-target"><span>Словѣньскъ / ⰔⰎⰑⰂⰡⰐⰠⰔⰍⰟ</span></a></li><li class="interlanguage-link interwiki-so mw-list-item"><a href="https://so.wikipedia.org/wiki/Ambeer" title="Ambeer – somaliska" lang="so" hreflang="so" data-title="Ambeer" data-language-autonym="Soomaaliga" data-language-local-name="somaliska" class="interlanguage-link-target"><span>Soomaaliga</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%D8%A6%DB%95%D9%85%D9%BE%DB%8E%D8%B1" title="ئەمپێر – centralkurdiska" lang="ckb" hreflang="ckb" data-title="ئەمپێر" data-language-autonym="کوردی" data-language-local-name="centralkurdiska" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%90%D0%BC%D0%BF%D0%B5%D1%80" title="Ампер – serbiska" lang="sr" hreflang="sr" data-title="Ампер" data-language-autonym="Српски / srpski" data-language-local-name="serbiska" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Amper" title="Amper – serbokroatiska" lang="sh" hreflang="sh" data-title="Amper" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="serbokroatiska" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Ampeeri" title="Ampeeri – finska" lang="fi" hreflang="fi" data-title="Ampeeri" data-language-autonym="Suomi" data-language-local-name="finska" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-tl mw-list-item"><a href="https://tl.wikipedia.org/wiki/Amperyo" title="Amperyo – tagalog" lang="tl" hreflang="tl" data-title="Amperyo" data-language-autonym="Tagalog" data-language-local-name="tagalog" class="interlanguage-link-target"><span>Tagalog</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%86%E0%AE%AE%E0%AF%8D%E0%AE%AA%E0%AE%BF%E0%AE%AF%E0%AE%B0%E0%AF%8D" title="ஆம்பியர் – tamil" lang="ta" hreflang="ta" data-title="ஆம்பியர்" data-language-autonym="தமிழ்" data-language-local-name="tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-kab mw-list-item"><a href="https://kab.wikipedia.org/wiki/Amper" title="Amper – kabyliska" lang="kab" hreflang="kab" data-title="Amper" data-language-autonym="Taqbaylit" data-language-local-name="kabyliska" class="interlanguage-link-target"><span>Taqbaylit</span></a></li><li class="interlanguage-link interwiki-te mw-list-item"><a href="https://te.wikipedia.org/wiki/%E0%B0%8F%E0%B0%82%E0%B0%AA%E0%B0%BF%E0%B0%AF%E0%B0%B0%E0%B1%8D" title="ఏంపియర్ – telugu" lang="te" hreflang="te" data-title="ఏంపియర్" 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%81%E0%B8%AD%E0%B8%A1%E0%B9%81%E0%B8%9B%E0%B8%A3%E0%B9%8C" title="แอมแปร์ – thailändska" lang="th" hreflang="th" data-title="แอมแปร์" data-language-autonym="ไทย" data-language-local-name="thailändska" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tg mw-list-item"><a href="https://tg.wikipedia.org/wiki/%D0%90%D0%BC%D0%BF%D0%B5%D1%80" title="Ампер – tadzjikiska" lang="tg" hreflang="tg" data-title="Ампер" data-language-autonym="Тоҷикӣ" data-language-local-name="tadzjikiska" class="interlanguage-link-target"><span>Тоҷикӣ</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Amper" title="Amper – turkiska" lang="tr" hreflang="tr" data-title="Amper" data-language-autonym="Türkçe" data-language-local-name="turkiska" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-tyv mw-list-item"><a href="https://tyv.wikipedia.org/wiki/%D0%90%D0%BC%D0%BF%D0%B5%D1%80" title="Ампер – tuviniska" lang="tyv" hreflang="tyv" data-title="Ампер" data-language-autonym="Тыва дыл" data-language-local-name="tuviniska" class="interlanguage-link-target"><span>Тыва дыл</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%90%D0%BC%D0%BF%D0%B5%D1%80" title="Ампер – ukrainska" lang="uk" hreflang="uk" data-title="Ампер" data-language-autonym="Українська" data-language-local-name="ukrainska" 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%A7%DB%8C%D9%85%D9%BE%D8%A6%DB%8C%D8%B1" title="ایمپئیر – urdu" lang="ur" hreflang="ur" data-title="ایمپئیر" data-language-autonym="اردو" data-language-local-name="urdu" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Ampe" title="Ampe – vietnamesiska" lang="vi" hreflang="vi" data-title="Ampe" data-language-autonym="Tiếng Việt" data-language-local-name="vietnamesiska" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh-classical mw-list-item"><a href="https://zh-classical.wikipedia.org/wiki/%E5%AE%89%E5%9F%B9" title="安培 – litterär kineiska" lang="lzh" hreflang="lzh" data-title="安培" data-language-autonym="文言" data-language-local-name="litterär kineiska" class="interlanguage-link-target"><span>文言</span></a></li><li class="interlanguage-link interwiki-vls mw-list-item"><a href="https://vls.wikipedia.org/wiki/Amp%C3%A8re" title="Ampère – västflamländska" lang="vls" hreflang="vls" data-title="Ampère" data-language-autonym="West-Vlams" data-language-local-name="västflamländska" class="interlanguage-link-target"><span>West-Vlams</span></a></li><li class="interlanguage-link interwiki-war mw-list-item"><a href="https://war.wikipedia.org/wiki/Amperahe" title="Amperahe – waray" lang="war" hreflang="war" data-title="Amperahe" data-language-autonym="Winaray" 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databasobjekt [g]" accesskey="g"><span>Wikidata-objekt</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="Sidverktyg"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Utseende"> <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">Utseende</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">flytta till sidofältet</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">dölj</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">Från Wikipedia</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="sv" dir="ltr"><dl class="noexcerpt dablink"><dd><i>För andra betydelser, se <a href="/wiki/Amp%C3%A8re" class="mw-disambig" title="Ampère">Ampère</a>.</i></dd></dl> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Fil:En_ampere.jpg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/42/En_ampere.jpg/250px-En_ampere.jpg" decoding="async" width="250" height="215" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/42/En_ampere.jpg/375px-En_ampere.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/42/En_ampere.jpg/500px-En_ampere.jpg 2x" data-file-width="2112" data-file-height="1813" /></a><figcaption>Analog <a href="/wiki/Amperemeter" title="Amperemeter">amperemeter</a> som visar strömmen 1 ampere genom en glödlampa.</figcaption></figure> <p><b>Ampere</b>, förkortning A<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-reference-link-bracket">[</span>1<span class="cite-reference-link-bracket">]</span></a></sup> och inofficiellt amp<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-reference-link-bracket">[</span>2<span class="cite-reference-link-bracket">]</span></a></sup>, är <a href="/wiki/SI-enhet" title="SI-enhet">SI-enheten</a> för <a href="/wiki/Elektrisk_str%C3%B6m" title="Elektrisk ström">elektrisk ström</a>.<sup id="cite_ref-NeI1_3-0" class="reference"><a href="#cite_note-NeI1-3"><span class="cite-reference-link-bracket">[</span>3<span class="cite-reference-link-bracket">]</span></a></sup> Den är uppkallad efter den franske fysikern <a href="/wiki/Andr%C3%A9-Marie_Amp%C3%A8re" title="André-Marie Ampère">André-Marie Ampère</a> (<a href="/wiki/1775" title="1775">1775</a>–<a href="/wiki/1836" title="1836">1836</a>).<sup id="cite_ref-NeI2_4-0" class="reference"><a href="#cite_note-NeI2-4"><span class="cite-reference-link-bracket">[</span>4<span class="cite-reference-link-bracket">]</span></a></sup> </p><p>Ampere är en av <a href="/wiki/SI-enhet" title="SI-enhet">Internationella måttenhetssystemets sju grundenheter</a> ur vilka alla andra fysikaliska enheter kan härledas. </p><p>Enkelt uttryckt betyder 1 ampere att ungefär 6,24 × 10<sup>18</sup> <a href="/wiki/Elektron" title="Elektron">elektroner</a> passerar en viss punkt i en <a href="/wiki/Elektrisk_ledare" title="Elektrisk ledare">elektrisk ledare</a> varje <a href="/wiki/Sekund" title="Sekund">sekund</a>. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Definition">Definition</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ampere&veaction=edit&section=1" title="Redigera avsnitt: Definition" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ampere&action=edit&section=1" title="Redigera avsnitts källkod: Definition"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Precis som vattenströmmen i ett vattenrör kan anges i till exempel liter per sekund så kan elektrisk ström, <i>I</i>, i en ledningstråd anges som antalet elektroner per sekund. Strömmen 1 ampere blir då ungefär 6,24·10<sup>18</sup> elektroner per sekund. Den sammanlagda elektricitetsmängden eller laddningen, <i>Q</i>, hos dessa ungefär 6,24·10<sup>18</sup> elektroner kallas 1 <a href="/wiki/Coulomb" title="Coulomb">coulomb</a>. </p><p>Mer exakt uttryckt är antalet elektroner lika med 1 delat med <a href="/wiki/M%C3%A4tetal" title="Mätetal">mätetalet</a> av <i>e</i> elektroner per sekund, där <i>e</i> är <a href="/wiki/Elementarladdning" title="Elementarladdning">elementarladdningen</a> som definierats till exakt 1,602 176 634 ×10<sup>–19</sup> coulomb. </p><p>1 ampere kan då anges som 1 coulomb per sekund, det vill säga 1 A = 1 C/s. <a href="/wiki/Sekund" title="Sekund">Sekund</a> är en annan grundenhet som definieras enligt en fysikalisk mätmetod. </p><p>Sambandet mellan ström, laddning och tid skrivs <i>I</i> =<i> Q/t</i>, där <i>I</i> mäts i ampere (A), <i>Q</i> i coulomb (C) och <i>t</i> i sekunder (s). </p><p>Definitionen på 1 ampere gäller sedan 20 maj 2019. <a href="/wiki/Internationella_byr%C3%A5n_f%C3%B6r_m%C3%A5tt_och_vikt" title="Internationella byrån för mått och vikt">Internationella byrån för mått och vikt</a>, Bureau international des poids et mesures (BIPM), hade tagit fram förslaget till ny definition av ampere, enligt vilken enheten skulle definieras utifrån elementarladdningen. <a href="/wiki/Allm%C3%A4nna_konferensen_f%C3%B6r_m%C3%A5tt_och_vikt" title="Allmänna konferensen för mått och vikt">Allmänna konferensen för mått och vikt</a>, General Conference on Weights and Measures (CGPM) beslutade i frågan i november 2018. </p><p>Definitionens officiella ordalydelse är, på franska (som har högsta auktoritet i SI) och engelska: </p> <blockquote><p>L’ampère, symbole A, est l’unité de courant électrique du SI. Il est défini en prenant la valeur numérique fixée de la charge élémentaire, <i>e</i>, égale à 1,602 176 634 × 10−19 lorsqu’elle est exprimée en C, unité égale à A s, la seconde étant définie en fonction de ∆ν<sub>Cs</sub>.</p></blockquote> <blockquote><p>The ampere, symbol A, is the SI unit of electric current. It is defined by taking the fixed numerical value of the elementary charge <i>e</i> to be 1.602 176 634 ×10<sup>–19</sup> when expressed in the unit C, which is equal to A s, where the second is defined in terms of Δν<sub>Cs.</sub><sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-reference-link-bracket">[</span>5<span class="cite-reference-link-bracket">]</span></a></sup></p></blockquote> <div class="mw-heading mw-heading2"><h2 id="Definition_före_maj_2019"><span id="Definition_f.C3.B6re_maj_2019"></span>Definition före maj 2019</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ampere&veaction=edit&section=2" title="Redigera avsnitt: Definition före maj 2019" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ampere&action=edit&section=2" title="Redigera avsnitts källkod: Definition före maj 2019"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Fil:Ampere-def-en.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f7/Ampere-def-en.svg/250px-Ampere-def-en.svg.png" decoding="async" width="250" height="230" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f7/Ampere-def-en.svg/375px-Ampere-def-en.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f7/Ampere-def-en.svg/500px-Ampere-def-en.svg.png 2x" data-file-width="250" data-file-height="230" /></a><figcaption>Illustration av den äldre definitionen av 1 ampere</figcaption></figure> <p>Enligt definitionen före 2019 var 1 ampere den ström som, när den passerar genom två raka och parallella ledare i vakuum med oändlig längd, försumbart tvärsnitt och en meters avstånd mellan varandra, ger upphov till en <a href="/wiki/Kraft" title="Kraft">kraft</a> på 2·10<sup>−7</sup> newton per meter (N/m) mellan ledarna.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-reference-link-bracket">[</span>6<span class="cite-reference-link-bracket">]</span></a></sup> Definitionen antogs av Allmänna konferensen för mått och vikt, CGPM, 1948. </p> <div class="mw-heading mw-heading2"><h2 id="Se_även"><span id="Se_.C3.A4ven"></span>Se även</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ampere&veaction=edit&section=3" title="Redigera avsnitt: Se även" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ampere&action=edit&section=3" title="Redigera avsnitts källkod: Se även"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Amp%C3%A8res_lag" title="Ampères lag">Ampères lag</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="Referenser">Referenser</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ampere&veaction=edit&section=4" title="Redigera avsnitt: Referenser" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ampere&action=edit&section=4" title="Redigera avsnitts källkod: Referenser"><span>redigera wikitext</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">^</a> <span class="reference-text"><cite style="font-style:normal" class="web"><a rel="nofollow" class="external text" href="https://www.ne.se/uppslagsverk/encyklopedi/l%C3%A5ng/ampere">”ampere - Uppslagsverk”</a>. <i><span>www.ne.se</span></i><span class="printonly">. <a rel="nofollow" class="external free" href="https://www.ne.se/uppslagsverk/encyklopedi/l%C3%A5ng/ampere">https://www.ne.se/uppslagsverk/encyklopedi/l%C3%A5ng/ampere</a></span><span class="reference-accessdate">. Läst 4 mars 2024</span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.btitle=ampere+-+Uppslagsverk&rft.atitle=www.ne.se&rft_id=https%3A%2F%2Fwww.ne.se%2Fuppslagsverk%2Fencyklopedi%2Fl%25C3%25A5ng%2Fampere&rfr_id=info:sid/en.wikipedia.org:Ampere"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-2"><a href="#cite_ref-2">^</a> <span class="reference-text"><cite style="font-style:normal" class="web"><a rel="nofollow" class="external text" href="https://energyknowledgebase.com/topics/ampere-amp.asp">”Ampere (Amp) · Energy KnowledgeBase”</a>. <i><span>energyknowledgebase.com</span></i><span class="printonly">. <a rel="nofollow" class="external free" href="https://energyknowledgebase.com/topics/ampere-amp.asp">https://energyknowledgebase.com/topics/ampere-amp.asp</a></span><span class="reference-accessdate">. Läst 4 mars 2024</span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.btitle=Ampere+%28Amp%29+%C2%B7+Energy+KnowledgeBase&rft.atitle=energyknowledgebase.com&rft_id=https%3A%2F%2Fenergyknowledgebase.com%2Ftopics%2Fampere-amp.asp&rfr_id=info:sid/en.wikipedia.org:Ampere"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-NeI1-3"><a href="#cite_ref-NeI1_3-0">^</a> <span class="reference-text"><a rel="nofollow" class="external free" href="http://www.ne.se/Ampere">http://www.ne.se/Ampere</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20131016194639/http://www.ne.se/Ampere">Arkiverad</a> 16 oktober 2013 hämtat från the <a href="/wiki/Internet_Archive#Wayback_Machine" title="Internet Archive">Wayback Machine</a>. – Nationalencyklopedin på nätet – <a rel="nofollow" class="external free" href="http://www.ne.se">http://www.ne.se</a> – läst datum: 16 oktober 2013</span> </li> <li id="cite_note-NeI2-4"><a href="#cite_ref-NeI2_4-0">^</a> <span class="reference-text"><a rel="nofollow" class="external text" href="https://www.ne.se/uppslagsverk/encyklopedi/l%C3%A5ng/andre-marie-ampere">André-Marie Ampère</a> – Nationalencyklopedin på nätet – <a rel="nofollow" class="external free" href="http://www.ne.se">http://www.ne.se</a> – läst datum: 16 oktober 2013</span> </li> <li id="cite_note-5"><a href="#cite_ref-5">^</a> <span class="reference-text"><cite style="font-style:normal" class="web"><a rel="nofollow" class="external text" href="https://www.bipm.org/utils/common/pdf/si-brochure/SI-Brochure-9.pdf">”Le Système international d’unités 9<sup>e</sup> édition 2019. The International System of Units”</a> (på franska och engelska). Bureau international des poids et mesures. 2019. sid. 20 och132<span class="printonly">. <a rel="nofollow" class="external free" href="https://www.bipm.org/utils/common/pdf/si-brochure/SI-Brochure-9.pdf">https://www.bipm.org/utils/common/pdf/si-brochure/SI-Brochure-9.pdf</a></span><span class="reference-accessdate">. Läst 13 juni 2020</span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.btitle=Le+Syst%C3%A8me+international+d%E2%80%99unit%C3%A9s+9%3Csup%3Ee%3C%2Fsup%3E+%C3%A9dition+2019.+The+International+System+of+Units&rft.atitle=&rft.date=2019&rft.pages=sid.%26nbsp%3B20+och132&rft.pub=Bureau+international+des+poids+et+mesures&rft_id=https%3A%2F%2Fwww.bipm.org%2Futils%2Fcommon%2Fpdf%2Fsi-brochure%2FSI-Brochure-9.pdf&rfr_id=info:sid/en.wikipedia.org:Ampere"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-6"><a href="#cite_ref-6">^</a> <span class="reference-text"><cite style="font-style:normal" class="web"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20170814094625/http://www.bipm.org/utils/common/pdf/si_brochure_8_en.pdf">”SI Brochure: The International System of Units (SI) [8th edition, 2006; updated in 2014</a>”]. BIPM. Arkiverad från <a rel="nofollow" class="external text" href="https://www.bipm.org/utils/common/pdf/si_brochure_8_en.pdf">originalet</a> den 14 augusti 2017<span class="printonly">. <a rel="nofollow" class="external free" href="https://web.archive.org/web/20170814094625/http://www.bipm.org/utils/common/pdf/si_brochure_8_en.pdf">https://web.archive.org/web/20170814094625/http://www.bipm.org/utils/common/pdf/si_brochure_8_en.pdf</a></span><span class="reference-accessdate">. Läst 7 januari 2018</span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.btitle=SI+Brochure%3A+The+International+System+of+Units+%28SI%29+%5B8th+edition%2C+2006%3B+updated+in+2014%5D&rft.atitle=&rft.pub=BIPM&rft_id=https%3A%2F%2Fweb.archive.org%2Fweb%2F20170814094625%2Fhttp%3A%2F%2Fwww.bipm.org%2Futils%2Fcommon%2Fpdf%2Fsi_brochure_8_en.pdf&rfr_id=info:sid/en.wikipedia.org:Ampere"><span style="display: none;"> </span></span></span> </li> </ol></div> <style data-mw-deduplicate="TemplateStyles:r44690948">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl 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class="external text" href="https://sv.wikipedia.org/w/index.php?title=Mall:SI&action=edit"><span style="border:none;;" title="Redigera den här mallen">r</span></a></div></div><span style="font-size:110%;"><a href="/wiki/Internationella_m%C3%A5ttenhetssystemet" title="Internationella måttenhetssystemet">Internationella måttenhetssystemet</a> (SI)</span></th></tr><tr style="height:2px;"><td></td></tr><tr><td class="navbox-group" style=";;"><a href="/wiki/SI-enhet#Grundenheter" title="SI-enhet">Grundenheter</a></td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-odd"><div style="padding:0em 0.25em"><div> <ul><li><span style="white-space:nowrap"><a href="/wiki/Elektrisk_str%C3%B6m" title="Elektrisk ström">Elektrisk ström</a>: <a class="mw-selflink selflink">ampere</a> (A)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Ljusstyrka" title="Ljusstyrka">Ljusstyrka</a>: <a href="/wiki/Candela" title="Candela">candela</a> (cd)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/L%C3%A4ngd" title="Längd">Längd</a>: <a href="/wiki/Meter" title="Meter">meter</a> (m)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Massa" title="Massa">Massa</a>: <a href="/wiki/Kilogram" title="Kilogram">kilogram</a> (kg)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Substansm%C3%A4ngd" title="Substansmängd">Substansmängd</a>: <a href="/wiki/Mol" title="Mol">mol</a> (mol)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Temperatur" title="Temperatur">Temperatur</a>: <a href="/wiki/Kelvin" title="Kelvin">kelvin</a> (K)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Tid" title="Tid">Tid</a>: <a href="/wiki/Sekund" title="Sekund">sekund</a> (s)</span></li></ul> </div></div></td><td style="width:0%;padding:0px 0px 0px 2px;" rowspan="5"><span typeof="mw:File"><a href="/wiki/Fil:SI_base_units.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/3/38/SI_base_units.svg/100px-SI_base_units.svg.png" decoding="async" width="100" height="100" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/38/SI_base_units.svg/150px-SI_base_units.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/38/SI_base_units.svg/200px-SI_base_units.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></td></tr><tr style="height:2px"><td></td></tr><tr><td class="navbox-group" style=";;"><a href="/wiki/SI-enhet#Härledda_enheter" title="SI-enhet">Härledda enheter</a></td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-even"><div style="padding:0em 0.25em"><div> <ul><li><span style="white-space:nowrap"><a href="/wiki/Effekt" title="Effekt">Effekt</a>: <a href="/wiki/Watt" title="Watt">watt</a> (W)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Elektrisk_laddning" title="Elektrisk laddning">Elektrisk laddning</a>: <a href="/wiki/Coulomb" title="Coulomb">coulomb</a> (C)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Elektrisk_sp%C3%A4nning" title="Elektrisk spänning">Elektrisk spänning</a>: <a href="/wiki/Volt" title="Volt">volt</a> (V)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Energi" title="Energi">Energi</a>: <a href="/wiki/Joule" title="Joule">joule</a> (J)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Frekvens" title="Frekvens">Frekvens</a>: <a href="/wiki/Hertz" title="Hertz">hertz</a> (Hz)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Illuminans" title="Illuminans">Illuminans</a>: <a href="/wiki/Lux_(enhet)" title="Lux (enhet)">lux</a> (lx)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Induktans" title="Induktans">Induktans</a>: <a href="/wiki/Henry_(enhet)" title="Henry (enhet)">henry</a> (H)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Kapacitans" title="Kapacitans">Kapacitans</a>: <a href="/wiki/Farad" title="Farad">farad</a> (F)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Katalys" title="Katalys">Katalytisk aktivitet</a>: <a href="/wiki/Katal" title="Katal">katal</a> (kat)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Konduktans" title="Konduktans">Konduktans</a>: <a href="/wiki/Siemens_(enhet)" title="Siemens (enhet)">siemens</a> (S)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Kraft" title="Kraft">Kraft</a>: <a href="/wiki/Newton_(enhet)" title="Newton (enhet)">newton</a> (N)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Ljusfl%C3%B6de" title="Ljusflöde">Ljusflöde</a>: <a href="/wiki/Lumen_(enhet)" title="Lumen (enhet)">lumen</a> (lm)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Magnetiskt_fl%C3%B6de" class="mw-redirect" title="Magnetiskt flöde">Magnetiskt flöde</a>: <a 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title="Peta">Peta</a> (P)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Tera" title="Tera">Tera</a> (T)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Giga" title="Giga">Giga</a> (G)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Mega" title="Mega">Mega</a> (M)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Kilo" title="Kilo">Kilo</a> (k)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Hekto" title="Hekto">Hekto</a> (h)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Deka" title="Deka">Deka</a> (da)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Deci" title="Deci">Deci</a> (d)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Centi" title="Centi">Centi</a> (c)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Milli" title="Milli">Milli</a> (m)</span></li> <li><span style="white-space:nowrap"><a href="/wiki/Mikro" title="Mikro">Mikro</a> 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