Odpowiedź:
U = 1,5V + 1,5 V = 3V
R = 0,7 Ω
t = 7 min = 7*60s = 420 s
------------------------------------
I, P, W ?
I = U/R = 3V/0,7Ω ≈ 4,28 A
I = 4,29 A -natężenie prądu
P = U*I = 3V*4,29A = 12,87 W
P = 12,87 W - moc
W = P*t = 12,87*420s = 5405,4 J
W = 5405,4 J - praca
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Odpowiedź:
U = 1,5V + 1,5 V = 3V
R = 0,7 Ω
t = 7 min = 7*60s = 420 s
------------------------------------
I, P, W ?
I = U/R = 3V/0,7Ω ≈ 4,28 A
I = 4,29 A -natężenie prądu
P = U*I = 3V*4,29A = 12,87 W
P = 12,87 W - moc
W = P*t = 12,87*420s = 5405,4 J
W = 5405,4 J - praca