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К источнику тока с ЭДС=21 В, внутренним сопротивлением
7 Ом подключены сопротивления 70 Ом и 30 Ом. Найти показания амперметра (см. рис.)
Ответы 1
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Iобщ=ЭДС/RобщR= 7+ 70*30/(70+30)=21+7=28 омIобщ=21/28=3/4=0.75I=0.75/100*30=225мА
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Автор:
miguel942 - 6 лет назад
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My name is John. I am a boy. I am nine. I am from
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1) Закончи предложение.
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B)mum, dad and two sisters.
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