P=250 Вт U=220 B I=? R=?
I=P/U=250/220=1.14 A
R=U/I=220/1.14=193 Ом
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P=250 Вт U=220 B I=? R=?
I=P/U=250/220=1.14 A
R=U/I=220/1.14=193 Ом
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