Odpowiedź :
Odpowiedź:
Dane:
U = 15 V
I = 5 A
t = 5min = 5*60s = 300 s
szukane: P, W
P = U*I = 15V*5A = 75 W
P = 75 W
W = P*t = 75W*300s = 22 500 J = 22,5 kJ
W = 22,5 kJ
Odpowiedź:
Dane:
U = 15 V
I = 5 A
t = 5min = 5*60s = 300 s
szukane: P, W
P = U*I = 15V*5A = 75 W
P = 75 W
W = P*t = 75W*300s = 22 500 J = 22,5 kJ
W = 22,5 kJ