Предмет: Физика, автор: kardinalblant

Определите силу тока в полной цепи с внешним сопротивление 1,2 Ом, если ЭДС источника тока равно 6 В, а его внутреннее сопротивление 0,3 Ом

Ответы

Автор ответа: Voyager
2

Найдём силу тока по закону Ома для полной цепи: I=\frac{E}{R+r}=\frac{6}{1,2+0,3}=\frac{6}{1,5}=4 ампера.

Ответ: 4 А.

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