Odpowiedź:
U2=I*R2=4A*60Ω=240V
R2=U1/I=30V/4A=7,5Ω
U=U1+U2=30+240=270V
Wyjaśnienie:
Spr. U=I(R1+R2)=4A(60+7,5)Ω=270V
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Odpowiedź:
U2=I*R2=4A*60Ω=240V
R2=U1/I=30V/4A=7,5Ω
U=U1+U2=30+240=270V
Wyjaśnienie:
Spr. U=I(R1+R2)=4A(60+7,5)Ω=270V