Odpowiedź:
U = 230V
I = 2A
t = 2h = 7 200 s
W = U*I*t = 3 312 000 000 J = 3,312 MJ
Wyjaśnienie:
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Odpowiedź:
U = 230V
I = 2A
t = 2h = 7 200 s
W = U*I*t = 3 312 000 000 J = 3,312 MJ
Wyjaśnienie: