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//chapter-2,Example2_9,pg 486
//(R3/R1)=0.98^-1(R2/R4)
R1=10*10^3
R3=10*10^3
I1=130*10^-6
Vo1=R1*(1+0.98)*I1//output for case-1, (R2/R4)=0.98
//(R1/R3)=(R4/R2)
Vo2=R1*(1+(R3/R1))*I1//output for case-2
Vo12=((Vo2-Vo1)/Vo2)*100//percent difference
printf("difference in output voltage\n")
printf("Vo12=%.4f ohm",Vo12)
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