Предмет: Физика, автор: Евангелина20523

За 1 ч в проводнике выделяется 7200 Дж теплоты. Сопротивление проводника равно 4 Ом. Определите силу тока в проводнике.
ДАЮ 15 БАЛЛОВ

Ответы

Автор ответа: o2784913

2

Q=I^2Rt
I^2=Q/Rt
I^2=7200/4*3600=0,5 (A)
I=0,7 (A)

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