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//CHAPTER 1- D.C. CIRCUIT ANALYSIS AND NETWORK THEOREMS
//Example 57
disp("CHAPTER 1");
disp("EXAMPLE 57");
//VARIABLE INITIALIZATION
v=10; //voltage source in Ohms
r1=2; //RHS resistance in Ohms
r2=2; //in Ohms
r3=4; //in Ohms
r4=4; //in Ohms
I=20; //current source in Amperes
//SOLUTION
r=r1+r2;
//deactivating voltage source of 10Ω
v1=-I/((1/r)+(1/r3)+(1/r4)); //from equation
I1=v1/r3;
//deactivating current source of 20A
v2=(v/r)/((1/r)+(1/r3)+(1/r4));
I2=v2/r3;
I_tot=I1+I2;
if(I_tot>0)
disp(sprintf("The value of I is %.2f A (upward)",I_tot));
else
disp(sprintf("The value of I is %.2f A (downward)",-I_tot));
//END
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