Предмет: Физика, автор: nastyonish

яку напругу потрібно прикласти до провідника опір якого 1 кОм щоб отримати силу струму 50 мА

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Автор ответа: fatt52
2
R=1000 Ом    I=0.05 A    U=?
===
U=I*R=0.05*1000=50 B
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