{"id":16288,"date":"2024-11-14T15:51:22","date_gmt":"2024-11-14T18:51:22","guid":{"rendered":"https:\/\/hangarmma.com.br\/blog\/?post_type=glossary&#038;p=16288"},"modified":"2024-11-19T19:07:47","modified_gmt":"2024-11-19T22:07:47","slug":"lei-de-ohm-2","status":"publish","type":"glossary","link":"https:\/\/hangarmma.com.br\/blog\/lei-de-ohm-2\/","title":{"rendered":"LEI DE OHM"},"content":{"rendered":"<p>Em problemas matem&#xE1;ticos, a <strong>fem<\/strong> (<a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_c33d9099ec40e10e2cafa2d2922c1ec2\" data-link=\"https:\/\/hangarmma.com.br\/blog\/forca-eletromotriz\/\" href=\"https:\/\/hangarmma.com.br\/blog\/forca-eletromotriz\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">for&#xE7;a eletromotriz<\/a> ou tens&#xE3;o) &#xE9; expressa em volts, e o s&#xED;mbolo utilizado para represent&#xE1;-la &#xE9; a letra <strong>E<\/strong>. A letra <strong>R<\/strong> &#xE9; o s&#xED;mbolo para resist&#xEA;ncia, que &#xE9; medida em ohms. O s&#xED;mbolo para corrente &#xE9; a letra <strong>I<\/strong>, que &#xE9; medida em amp&#xE8;res.<\/p>\n    <p>As grandezas <strong>E<\/strong>, <strong>R<\/strong> e <strong>I<\/strong> t&#xEA;m uma rela&#xE7;&#xE3;o exata na <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_ca610ea10cf6b6a6763ad60c028fa24e\" data-link=\"https:\/\/hangarmma.com.br\/blog\/eletricidade\/\" href=\"https:\/\/hangarmma.com.br\/blog\/eletricidade\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">eletricidade<\/a>, dada pela <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_67aff46ae957fef0b665ebeac12ff642\" data-link=\"https:\/\/hangarmma.com.br\/blog\/lei-de-ohm\/\" href=\"https:\/\/hangarmma.com.br\/blog\/lei-de-ohm\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">Lei de Ohm<\/a>. Essa lei pode ser enunciada da seguinte forma: A corrente em um <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_4d97e718c2f07ba39221bea6964fba28\" data-link=\"https:\/\/hangarmma.com.br\/blog\/circuito-eletrico\/\" href=\"https:\/\/hangarmma.com.br\/blog\/circuito-eletrico\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">circuito el&#xE9;trico<\/a> &#xE9; <strong>diretamente proporcional<\/strong> &#xE0; <em>fem<\/em> (tens&#xE3;o) e <strong>inversamente proporcional<\/strong> &#xE0; resist&#xEA;ncia.<\/p>\n    <p>Adiante, a <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_67aff46ae957fef0b665ebeac12ff642\" data-link=\"https:\/\/hangarmma.com.br\/blog\/lei-de-ohm\/\" href=\"https:\/\/hangarmma.com.br\/blog\/lei-de-ohm\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">Lei de Ohm<\/a> ser&#xE1; expressa pela afirma&#xE7;&#xE3;o: <strong>1 V<\/strong> faz com que <strong>1 A<\/strong> flua por uma resist&#xEA;ncia de <strong>1 <a class=\"glossaryLink\"  aria-describedby=\"tt\"  data-cmtooltip=\"cmtt_9eed474d888db49c032d56221ed44eeb\"  data-link=\"https:\/\/hangarmma.com.br\/blog\/ohm\/\"  href=\"https:\/\/hangarmma.com.br\/blog\/ohm\/\"  target=\"_blank\"  data-mobile-support=\"0\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex='0' role='link'>ohm<\/a><\/strong>. A equa&#xE7;&#xE3;o para a <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_67aff46ae957fef0b665ebeac12ff642\" data-link=\"https:\/\/hangarmma.com.br\/blog\/lei-de-ohm\/\" href=\"https:\/\/hangarmma.com.br\/blog\/lei-de-ohm\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">Lei de Ohm<\/a> &#xE9;:<\/p>\n    \n    <p><strong>E = I * R<\/strong><\/p>\n    \n    <p>Essa equa&#xE7;&#xE3;o indica que a corrente em um determinado <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_8475a091b5ac4429a52bc047365d267e\" data-link=\"https:\/\/hangarmma.com.br\/blog\/circuito\/\" href=\"https:\/\/hangarmma.com.br\/blog\/circuito\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">circuito<\/a> &#xE9; igual &#xE0; tens&#xE3;o dividida pela resist&#xEA;ncia.<\/p>\n    \n    <h2>Formas Alternativas da Lei de Ohm<\/h2>\n    <p>A <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_67aff46ae957fef0b665ebeac12ff642\" data-link=\"https:\/\/hangarmma.com.br\/blog\/lei-de-ohm\/\" href=\"https:\/\/hangarmma.com.br\/blog\/lei-de-ohm\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">Lei de Ohm<\/a> pode ser expressa em tr&#xEA;s formas diferentes, como mostrado a seguir. Essas diferentes formas para a equa&#xE7;&#xE3;o da <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_67aff46ae957fef0b665ebeac12ff642\" data-link=\"https:\/\/hangarmma.com.br\/blog\/lei-de-ohm\/\" href=\"https:\/\/hangarmma.com.br\/blog\/lei-de-ohm\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">Lei de Ohm<\/a> s&#xE3;o obtidas por <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_88968e03fcdeeb34634f137a10423dcc\" data-link=\"https:\/\/hangarmma.com.br\/blog\/multiplicacao\/\" href=\"https:\/\/hangarmma.com.br\/blog\/multiplicacao\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">multiplica&#xE7;&#xE3;o<\/a> ou divis&#xE3;o:<\/p>\n    <ol>\n        <li><strong>E = I * R<\/strong><\/li>\n        <li><strong>I = E \/ R<\/strong><\/li>\n        <li><strong>R = E \/ I<\/strong><\/li>\n    <\/ol>\n    <p>Essas equa&#xE7;&#xF5;es tornam simples a determina&#xE7;&#xE3;o de qualquer um dos tr&#xEA;s valores (<strong>E<\/strong>, <strong>I<\/strong> ou <strong>R<\/strong>) se os outros dois forem conhecidos. A <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_67aff46ae957fef0b665ebeac12ff642\" data-link=\"https:\/\/hangarmma.com.br\/blog\/lei-de-ohm\/\" href=\"https:\/\/hangarmma.com.br\/blog\/lei-de-ohm\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">Lei de Ohm<\/a> pode ser usada para encontrar qualquer tens&#xE3;o, corrente ou resist&#xEA;ncia desconhecida em um <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_8475a091b5ac4429a52bc047365d267e\" data-link=\"https:\/\/hangarmma.com.br\/blog\/circuito\/\" href=\"https:\/\/hangarmma.com.br\/blog\/circuito\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">circuito<\/a> e resolver problemas comuns de circuitos de corrente cont&#xED;nua (CC), j&#xE1; que qualquer um desses circuitos, quando em funcionamento, possui tens&#xE3;o, corrente e resist&#xEA;ncia.<\/p>\n    \n    <h2>Resumo das Equa&#xE7;&#xF5;es da Lei de Ohm<\/h2>\n    <p><a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_c33d9099ec40e10e2cafa2d2922c1ec2\" data-link=\"https:\/\/hangarmma.com.br\/blog\/forca-eletromotriz\/\" href=\"https:\/\/hangarmma.com.br\/blog\/forca-eletromotriz\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">For&#xE7;a eletromotriz<\/a> = Corrente &#xD7; Resist&#xEA;ncia<\/p>\n    <p><strong>E = I * R<\/strong><\/p>\n    \n    <p>Corrente = <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_c33d9099ec40e10e2cafa2d2922c1ec2\" data-link=\"https:\/\/hangarmma.com.br\/blog\/forca-eletromotriz\/\" href=\"https:\/\/hangarmma.com.br\/blog\/forca-eletromotriz\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">For&#xE7;a eletromotriz<\/a> \/ Resist&#xEA;ncia<\/p>\n    <p><strong>I = E \/ R<\/strong><\/p>\n    \n    <p>Resist&#xEA;ncia = <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_c33d9099ec40e10e2cafa2d2922c1ec2\" data-link=\"https:\/\/hangarmma.com.br\/blog\/forca-eletromotriz\/\" href=\"https:\/\/hangarmma.com.br\/blog\/forca-eletromotriz\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">For&#xE7;a eletromotriz<\/a> \/ Corrente<\/p>\n    <p><strong>R = E \/ I<\/strong><\/p>\n    \n    <h2>Proporcionalidade e Exemplos<\/h2>\n    <p>A partir do estudo da <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_67aff46ae957fef0b665ebeac12ff642\" data-link=\"https:\/\/hangarmma.com.br\/blog\/lei-de-ohm\/\" href=\"https:\/\/hangarmma.com.br\/blog\/lei-de-ohm\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">Lei de Ohm<\/a>, observamos que a corrente que flui em um <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_8475a091b5ac4429a52bc047365d267e\" data-link=\"https:\/\/hangarmma.com.br\/blog\/circuito\/\" href=\"https:\/\/hangarmma.com.br\/blog\/circuito\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">circuito<\/a> &#xE9; diretamente proporcional &#xE0; tens&#xE3;o e inversamente proporcional &#xE0; sua resist&#xEA;ncia. Se a tens&#xE3;o aplicada a um <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_8475a091b5ac4429a52bc047365d267e\" data-link=\"https:\/\/hangarmma.com.br\/blog\/circuito\/\" href=\"https:\/\/hangarmma.com.br\/blog\/circuito\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">circuito<\/a> &#xE9; dobrada, a corrente tamb&#xE9;m dobrar&#xE1;. Por outro lado, se a resist&#xEA;ncia &#xE9; dobrada e a tens&#xE3;o permanecer constante, a corrente ser&#xE1; reduzida pela metade.<\/p>\n    \n    <h2>Diagrama Pr&#xE1;tico para Lei de Ohm<\/h2>\n    <p>As equa&#xE7;&#xF5;es da <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_67aff46ae957fef0b665ebeac12ff642\" data-link=\"https:\/\/hangarmma.com.br\/blog\/lei-de-ohm\/\" href=\"https:\/\/hangarmma.com.br\/blog\/lei-de-ohm\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">Lei de Ohm<\/a> s&#xE3;o facilmente lembradas usando um diagrama simples. Cobrindo o s&#xED;mbolo da quantidade desconhecida no diagrama, as quantidades conhecidas s&#xE3;o encontradas em seu arranjo matem&#xE1;tico correto:<\/p>\n    <ul>\n        <li>Para encontrar a tens&#xE3;o, cobre-se o <strong>E<\/strong> no diagrama, e ent&#xE3;o <strong>I<\/strong> e <strong>R<\/strong> s&#xE3;o multiplicados: <strong>E = I * R<\/strong>.<\/li>\n        <li>Para encontrar a resist&#xEA;ncia quando a tens&#xE3;o &#xE9; 10V e a corrente &#xE9; 5A, cobre-se <strong>R<\/strong>, deixando <strong>E<\/strong> sobre <strong>I<\/strong>: <strong>R = E \/ I<\/strong>.<\/li>\n    <\/ul>\n    \n    <h2>Analogia da &#xC1;gua para a Lei de Ohm<\/h2>\n    <p>Uma das descri&#xE7;&#xF5;es mais simples das rela&#xE7;&#xF5;es da <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_67aff46ae957fef0b665ebeac12ff642\" data-link=\"https:\/\/hangarmma.com.br\/blog\/lei-de-ohm\/\" href=\"https:\/\/hangarmma.com.br\/blog\/lei-de-ohm\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">Lei de Ohm<\/a> &#xE9; a analogia da &#xE1;gua. A <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_cd4db4d0098228b04fdb49d475ce176f\" data-link=\"https:\/\/hangarmma.com.br\/blog\/pressao\/\" href=\"https:\/\/hangarmma.com.br\/blog\/pressao\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">press&#xE3;o<\/a> e o fluxo da &#xE1;gua, junto com as limita&#xE7;&#xF5;es de uma <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_15d2886de985b862afe4246008aa849e\" data-link=\"https:\/\/hangarmma.com.br\/blog\/valvula\/\" href=\"https:\/\/hangarmma.com.br\/blog\/valvula\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">v&#xE1;lvula<\/a>, respondem de forma semelhante &#xE0;s rela&#xE7;&#xF5;es de tens&#xE3;o, corrente e resist&#xEA;ncia em um <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_4d97e718c2f07ba39221bea6964fba28\" data-link=\"https:\/\/hangarmma.com.br\/blog\/circuito-eletrico\/\" href=\"https:\/\/hangarmma.com.br\/blog\/circuito-eletrico\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">circuito el&#xE9;trico<\/a>:<\/p>\n    <ul>\n        <li>Um aumento na tens&#xE3;o (<a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_cd4db4d0098228b04fdb49d475ce176f\" data-link=\"https:\/\/hangarmma.com.br\/blog\/pressao\/\" href=\"https:\/\/hangarmma.com.br\/blog\/pressao\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">press&#xE3;o<\/a> el&#xE9;trica) cria um aumento proporcional na corrente (fluxo el&#xE9;trico), assim como um aumento na <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_cd4db4d0098228b04fdb49d475ce176f\" data-link=\"https:\/\/hangarmma.com.br\/blog\/pressao\/\" href=\"https:\/\/hangarmma.com.br\/blog\/pressao\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">press&#xE3;o<\/a> da &#xE1;gua cria um aumento no fluxo de &#xE1;gua.<\/li>\n        <li>Se a resist&#xEA;ncia em um <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_8475a091b5ac4429a52bc047365d267e\" data-link=\"https:\/\/hangarmma.com.br\/blog\/circuito\/\" href=\"https:\/\/hangarmma.com.br\/blog\/circuito\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">circuito<\/a> aumenta (como uma <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_15d2886de985b862afe4246008aa849e\" data-link=\"https:\/\/hangarmma.com.br\/blog\/valvula\/\" href=\"https:\/\/hangarmma.com.br\/blog\/valvula\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">v&#xE1;lvula<\/a> fechada), o <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_860c49877405ff43f6c73ed49464ba8d\" data-link=\"https:\/\/hangarmma.com.br\/blog\/fluxo-de-corrente\/\" href=\"https:\/\/hangarmma.com.br\/blog\/fluxo-de-corrente\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">fluxo de corrente<\/a> diminui, desde que a tens&#xE3;o permane&#xE7;a constante.<\/li>\n    <\/ul>\n    <p>A analogia da <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_67aff46ae957fef0b665ebeac12ff642\" data-link=\"https:\/\/hangarmma.com.br\/blog\/lei-de-ohm\/\" href=\"https:\/\/hangarmma.com.br\/blog\/lei-de-ohm\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">Lei de Ohm<\/a> com a &#xE1;gua &#xE9; uma compara&#xE7;&#xE3;o simples que ajuda a obter uma melhor compreens&#xE3;o das rela&#xE7;&#xF5;es entre tens&#xE3;o, corrente e resist&#xEA;ncia.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Em problemas matem\u00e1ticos, a fem (for\u00e7a eletromotriz ou tens\u00e3o) \u00e9 expressa em volts, e o s\u00edmbolo utilizado para represent\u00e1-la \u00e9 a letra E. A letra R \u00e9 o s\u00edmbolo para resist\u00eancia, que \u00e9 medida em ohms. O s\u00edmbolo para corrente \u00e9 a letra I, que \u00e9 medida em amp\u00e8res. As grandezas E, R e I [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"menu_order":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"glossary-categories":[],"glossary-tags":[],"class_list":["post-16288","glossary","type-glossary","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>LEI DE OHM - HANGAR MMA<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hangarmma.com.br\/blog\/glossary-category\/lei-de-ohm-2\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"LEI DE OHM - HANGAR MMA\" \/>\n<meta property=\"og:description\" content=\"Em problemas matem\u00e1ticos, a fem (for\u00e7a eletromotriz ou tens\u00e3o) \u00e9 expressa em volts, e o s\u00edmbolo utilizado para represent\u00e1-la \u00e9 a letra E. 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