Odpowiedź:
Dane:
R = 10Ω
I = 10A
t = 1h = 3600s
---------------------
W = ?
U = I*R = 10A*10Ω = 100 V
P = U*I = 100V*10A = 1000 W
P =1000 W = 1 kW (moc)
W = P*t = 1000W*3600s = 3 600 000 J = 3,6 MJ
W = 3,6 MJ (praca)
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Odpowiedź:
Dane:
R = 10Ω
I = 10A
t = 1h = 3600s
---------------------
W = ?
U = I*R = 10A*10Ω = 100 V
P = U*I = 100V*10A = 1000 W
P =1000 W = 1 kW (moc)
W = P*t = 1000W*3600s = 3 600 000 J = 3,6 MJ
W = 3,6 MJ (praca)