U = 220 B;
R = 550 Ом;
P - ?
P = U * I;
I = U / R = 220 / 550 = 0.4 A;
P = 220 * 0.4 = 88 Вт
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U = 220 B;
R = 550 Ом;
P - ?
P = U * I;
I = U / R = 220 / 550 = 0.4 A;
P = 220 * 0.4 = 88 Вт