{"id":2743,"date":"2025-08-18T14:43:37","date_gmt":"2025-08-18T11:43:37","guid":{"rendered":"https:\/\/cedra.academy\/?p=2743"},"modified":"2025-10-01T14:55:10","modified_gmt":"2025-10-01T11:55:10","slug":"circuitul-electric-simplu","status":"publish","type":"post","link":"https:\/\/cedra.academy\/?p=2743","title":{"rendered":"Circuitul electric simplu"},"content":{"rendered":"\n<div class=\"wp-block-file\"><object class=\"wp-block-file__embed\" data=\"https:\/\/cedra.academy\/wp-content\/uploads\/2025\/10\/Fise-de-lucru-la-tema-Circuitul-electric-simplu-1.pdf\" type=\"application\/pdf\" style=\"width:100%;height:600px\" aria-label=\"\u00cenglobare pentru Fise-de-lucru-la-tema-Circuitul-electric-simplu-1.\"><\/object><a id=\"wp-block-file--media-ec46953b-a038-49f8-ac56-1681bd9f3752\" href=\"https:\/\/cedra.academy\/wp-content\/uploads\/2025\/10\/Fise-de-lucru-la-tema-Circuitul-electric-simplu-1.pdf\">Fise-de-lucru-la-tema-Circuitul-electric-simplu-1<\/a><a href=\"https:\/\/cedra.academy\/wp-content\/uploads\/2025\/10\/Fise-de-lucru-la-tema-Circuitul-electric-simplu-1.pdf\" class=\"wp-block-file__button wp-element-button\" download aria-describedby=\"wp-block-file--media-ec46953b-a038-49f8-ac56-1681bd9f3752\">Descarc\u0103<\/a><\/div>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>Un circuit electric simplu este alc\u0103tuit din c\u00e2teva componente de baz\u0103: o surs\u0103 de curent (baterie), un <\/p>\n\n\n\n<p>conductor (fir), un \u00eentrerup\u0103tor \u0219i un receptor (de exemplu, un bec). Pentru ca un circuit s\u0103 func\u021bioneze, acesta trebuie s\u0103 fie \u00eenchis, adic\u0103 electronii s\u0103 circule continuu de la surs\u0103, prin conductor, prin receptor \u0219i \u00eenapoi la surs\u0103.<\/p>\n\n\n\n<p><strong>Componentele principale:<\/strong><\/p>\n\n\n\n<ol>\n<li><strong>Sursa de curent<\/strong> \u2013 ofer\u0103 energia necesar\u0103 mi\u0219c\u0103rii electronilor (bateria, acumulatorul).<\/li>\n\n\n\n<li><strong>Conductorul<\/strong> \u2013 firul metalic prin care circul\u0103 curentul electric.<\/li>\n\n\n\n<li><strong>\u00centrerup\u0103torul<\/strong> \u2013 deschide sau \u00eenchide circuitul, permi\u021b\u00e2nd sau oprind circula\u021bia curentului.<\/li>\n\n\n\n<li><strong>Receptorul<\/strong> \u2013 dispozitivul care utilizeaz\u0103 energia electric\u0103 (bec, motor electric, sonerie).<\/li>\n<\/ol>\n\n\n\n<p><strong>Reguli esen\u021biale:<\/strong><\/p>\n\n\n\n<ul>\n<li>Circuitul trebuie s\u0103 fie complet, f\u0103r\u0103 \u00eentreruperi.<\/li>\n\n\n\n<li>Dac\u0103 firul este \u00eentrerupt sau contactele nu sunt corecte, curentul nu mai circul\u0103.<\/li>\n\n\n\n<li>\u00centr-un circuit simplu, curentul electric se deplaseaz\u0103 \u00eentotdeauna dinspre borna pozitiv\u0103 a sursei spre borna negativ\u0103, prin intermediul conductorilor \u0219i al receptorului.<\/li>\n<\/ul>\n\n\n\n<p><strong>Importan\u021ba studiului circuitului simplu:<\/strong><br>\u00cen\u021belegerea circuitului simplu ne ajut\u0103 s\u0103 \u00een\u021belegem bazele electricit\u0103\u021bii, necesare pentru toate dispozitivele moderne: becuri, calculatoare, telefoane, electrocasnice.<\/p>\n\n\n\n<div class=\"wp-block-file\"><object class=\"wp-block-file__embed\" data=\"https:\/\/cedra.academy\/wp-content\/uploads\/2025\/10\/567573871.pdf\" type=\"application\/pdf\" style=\"width:100%;height:600px\" aria-label=\"\u00cenglobare pentru 567573871.\"><\/object><a id=\"wp-block-file--media-abbdb1b8-10da-4e7a-846b-48f85b616412\" href=\"https:\/\/cedra.academy\/wp-content\/uploads\/2025\/10\/567573871.pdf\">567573871<\/a><a href=\"https:\/\/cedra.academy\/wp-content\/uploads\/2025\/10\/567573871.pdf\" class=\"wp-block-file__button wp-element-button\" download aria-describedby=\"wp-block-file--media-abbdb1b8-10da-4e7a-846b-48f85b616412\">Descarc\u0103<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Un circuit electric simplu este alc\u0103tuit din c\u00e2teva componente de baz\u0103: o surs\u0103 de curent (baterie), un conductor (fir), un \u00eentrerup\u0103tor \u0219i un receptor (de exemplu, un bec). Pentru ca [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2745,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18,10],"tags":[],"_links":{"self":[{"href":"https:\/\/cedra.academy\/index.php?rest_route=\/wp\/v2\/posts\/2743"}],"collection":[{"href":"https:\/\/cedra.academy\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cedra.academy\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cedra.academy\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cedra.academy\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2743"}],"version-history":[{"count":1,"href":"https:\/\/cedra.academy\/index.php?rest_route=\/wp\/v2\/posts\/2743\/revisions"}],"predecessor-version":[{"id":2749,"href":"https:\/\/cedra.academy\/index.php?rest_route=\/wp\/v2\/posts\/2743\/revisions\/2749"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cedra.academy\/index.php?rest_route=\/wp\/v2\/media\/2745"}],"wp:attachment":[{"href":"https:\/\/cedra.academy\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2743"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cedra.academy\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2743"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cedra.academy\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2743"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}