Odpowiedzi

2010-03-10T16:47:18+01:00
P = 60 W = 60 J/s
U = 230 V
I = ?
R = ?
P = U*I
I = P/U
I = 60 J/s / 230 V
I = 0,26 A
I = [J/s/V = [V*A*s/s/V] = [A]
R = U/I
R = 230 V/0,26 A
R = 884,6 oma
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