Предмет: Физика, автор: Igor2101

определите сопротивления спирали электроплитки, если при включений её в сеть напряжением U=220v она потребляет мощность 1 кВт

Ответы

Автор ответа: pereyma93demon777199

P=U*I, I=U/R => 1000=220^2/R => R=220^2/1000=48.4 Ом.

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