âåëè÷èíà, õàðàêòåðèçóþùàÿ ïðîòèâîäåéñòâèåýëåêòðè÷åñêîé öåïè (èëè åå ó÷àñòêà) ýëåêòðè÷åñêîìó òîêó. Ýëåêòðè÷åñêîåñîïðîòèâëåíèå îáóñëîâëåííî ïðåîáðàçîâàíèåì ýëåêòðè÷åñêîé ýíåðãèè â äð.âèäû ýíåðãèè: ïðè íåîáðàòèìîì ïðåîáðàçîâàíèè (ïðåèìóùåñòâåííî â òåïëîòó).Ýëåêòðè÷åñêîå ñîïðîòèâëåíèå íàçûâàåòñÿ àêòèâíûì ñîïðîòèâëåíèåì;ýëåêòðè÷åñêîå ñîïðîòèâëåíèå, îáóñëîâëåííîå ïåðåäà÷åé ýíåðãèèýëåêòðè÷åñêîìó èëè ìàãíèòíîìó ïîëþ (è îáðàòíî) íàçûâàåòñÿ ðåàêòèâíûìñîïðîòèâëåíèåì.
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