Ответ:
Объяснение:
1
I = U3/R3 = 36/12 = 3 A
R = R1+R2+R3 = 3+5+12 = 20 Ом
U = I R = 3 *20 = 60 B
2
U = I2 R2 = 10 *2 = 20 B
I1 = U/R1 = 20/10 = 2 A
I3 = U/R3 = 20/4 = 5 A
I = I1+I2+I3 = 2+10+5 = 17 A
3
U2 = I2 R2 = 2 *5 = 10 B
I3 = U2/R3 = 10/1 = 10 A
I1 = I2+I3 = 2 +10 = 12 A
U1 = I1 R1 = 12*2 = 24 B
U = U1 +U2 = 24 +10 = 34 B
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Ответ:
Объяснение:
1
I = U3/R3 = 36/12 = 3 A
R = R1+R2+R3 = 3+5+12 = 20 Ом
U = I R = 3 *20 = 60 B
2
U = I2 R2 = 10 *2 = 20 B
I1 = U/R1 = 20/10 = 2 A
I3 = U/R3 = 20/4 = 5 A
I = I1+I2+I3 = 2+10+5 = 17 A
3
U2 = I2 R2 = 2 *5 = 10 B
I3 = U2/R3 = 10/1 = 10 A
I1 = I2+I3 = 2 +10 = 12 A
U1 = I1 R1 = 12*2 = 24 B
U = U1 +U2 = 24 +10 = 34 B