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2009-12-06T20:51:08+01:00
P=W/t

P=I*U

I*U=W/t

U=(W/t)/I [V]

t=7560[s]

U=(16400/7560)/4 = 0,54 [V]
3 5 3
2009-12-06T20:58:17+01:00
W=16,4kW=16400W
I=4A
t=2,1h=7560s
U=?
W=U*I*t
16400W=U*4A*7560s
16400W=U*30240A*s
U=ok. 0,5V
2 5 2
2009-12-06T21:13:11+01:00
Dane
I=4A
t=2,1h
W=16,4kWh
U=?
W=U*I*t
U=W/(I*t)=16,4kWh/(4A*2.1h)=1,95kV=195V
2 3 2