In the circuit shown below, let






Is=0.001;Vs=5;

R1=1000;R2=2500;R3=5000,R4=2000;

syms V1 V2

[V1,V2]=solve(V1/R4+(V1-Vs)/R1+(V1-V2)/R2,...

(V2-V1)/R2-Is+(V2-Vs)/R3,V1,V2);

V1=vpa(V1,7)

V2=vpa(V2,7)

I4=V1/R4

I2=(V2-V1)/R2

I1=(Vs-V1)/R1

I3=(V2-Vs)/R3

IVs=I4-Is

2



I1a=I3+IVs

Answers:

V1 =

3.877551

V2 =

5.918367

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