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R=U/I
I=U/R
I=8.7A
P=UI
P=2000W
P=?
R=26,45 Ω
U=230 V
Wzory:
(I=natężenie prądu)
P=U*I
I=U/R
I=230V/26,45Ω
I=8,69A
P=230V*8,69
P=1998,7 W