Question

Помогите пожалуйста. 35 балов

Answer 1

U2=U1=U3=U4=I2*R2=3*12=36 B

I1=U1/R1=36/6= 6 A

I3=U3/R3=36/8=4.5 A

I4=U4/R4=36/8= 4.5 A

I=I5=I1+I2+I3+I4=6+3+4.5+4.5=18 A

U5=I5*R5=18*3=54 B

U=U1+U5=36+54=90 B

R=U/I =90/18= 5 Ом