R2=R-R1=9-3=6 Ом
I1=I2=I=U2/R2=15/6=2.5 A
U1=I*R1=2.5*3=7.5 B
U=U1+U2=7.5+15=22.5 B
таблица
2.5 2.5 2.5
7.5 15 22.5
3 6 9
R2=R-R1=9-3=6 Ом
I1=I2=I=U2/R2=15/6=2.5 A
U1=I*R1=2.5*3=7.5 B
U=U1+U2=7.5+15=22.5 B
таблица
2.5 2.5 2.5
7.5 15 22.5
3 6 9