Question

Вариант 9
Дано:
E(B) 14
R1(Om) 3.6
R2(om) 3
R3(Om) 2
I2(A) 0.7
Найти:
I3(A)-?

Answer 1

U3=U2=I2*R2=0.7*3=2.1 B

I3=U3/R3=2.1/2=1.05 A