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Автор - darihoran8

электропаяльник мощностью 120 Вт рассчитан на напряжение 220 В. Найдите силу тока в обмотке паяльщика и ее сопротивления

Ответ

Проверено экспертом

Автор - sokolovvovikn
I=P/U=120/220=0,55 A
R=U/I=220/0,55=400 Ом

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