Question

НУЖНА ТОЛЬКО СХЕМА! РЕШЕНИЕ НЕ НУЖНО!
При подключении лампочки к батарее элементов с ЭДС 4,5 В вольтметр показал напряжение на лампочке 4 В, а амперметр — силу тока 0,25 А. Каково внутреннее сопротивление батареи?

Answer 1

Ответ:

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