2)

I = 50V / 450 Ω = 0,11A
3)

I = 220V / 400Ω = 0.55A
4)

I = 9V / 45Ω = 0.2A
5)

I = 12 V /12Ω = 1A
6)

R = 230V/ 0.20 = 11.50Ω
7)
I = 10 V / 100Ω = 0.1A
8)

R = 10V/ 0.2A = 50Ω
9)

V = 100A X 150Ω = 15000 V
10)

R = 20V / 100A = 0.2Ω
11) 10V / 0.25Ω = 400A
12)

R1 = 9V / 3A = 3Ω
Rt = 3Ω +1Ω = 4Ω
13)

R2 = 9V /3A =3Ω
14)

V1 = 500A X 1Ω = 500V
V2 = 500A X 1Ω = 500V
V3 = 500A X 1Ω = 500V
VT = 500V +500V +500V = 1500V

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