Odpowiedzi

2009-12-15T20:12:08+01:00
R=U/I
P=UI
I=P/U
I=60W/230V
I=6/23A
R=230V:6/23A
R=881,7Ω
1 1 1
2009-12-15T20:13:29+01:00
R = U/I
U = 230 V
I = 60 W R = 230/60
R = 3,8
2009-12-15T20:27:08+01:00
R=U/I
P=UI
I=P/U
I=60W/230V
I=0,26A
R=230V:0,26A
R=881,7Ω