Odpowiedź :
Odpowiedź:
I = 10A
U = 12V
t = 3min = 3*60s = 180s
-----------------------------------
W ?
Q = I*t = 10A*180s = 1800 C
W = Q*U = 1800C*12V = 21 600 J
W = 21,6 kJ
Odpowiedź:
I = 10A
U = 12V
t = 3min = 3*60s = 180s
-----------------------------------
W ?
Q = I*t = 10A*180s = 1800 C
W = Q*U = 1800C*12V = 21 600 J
W = 21,6 kJ