Odpowiedź:
t=5min=300s
U=4,5V
I=0,2A
E=U*I*t
E=4,5V*0,2A*300s
E=270J
Wyjaśnienie:
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Odpowiedź:
t=5min=300s
U=4,5V
I=0,2A
E=U*I*t
E=4,5V*0,2A*300s
E=270J
Wyjaśnienie: