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Dane :
U = 220V
t = 2 h = 7200s
W = 180 KJ = 180000
Szukane :
P = ?
I = ?
P= w/t
P = 180000/7200 = 25 W
P = 25 W
I = W/U*t
I = 180000/220*7200 = 8.8 A