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+//CHAPTER 1- D.C. CIRCUIT ANALYSIS AND NETWORK THEOREMS 
+//Example 54
+
+disp("CHAPTER 1");
+disp("EXAMPLE 54");
+
+//VARIABLE INITIALIZATION
+v=5;                            //voltage source in Volts
+r1=1;                           //LHS resistance in Ohms
+r2=5;                           //in Ohms
+r3=1;                           //in Ohms
+r4=1;                           //RHS resistance in Ohms
+I=10;                           //current source in Amperes
+
+//SOLUTION
+
+//on deactivating the current source, current I1 flows in the circuit
+req1=r1+r3+r4;
+I1=v/req1;
+vab1=v-(I1*r1);                 //(I1*r1) is voltage drop across 1Ω resistance
+I2=I/req1;
+vab2=vab1+(I2*r1);              //(I2*r1) is voltage drop across 1Ω resistance
+rth=r1+((r3*r4)/(r3+r4));
+Ith=vab2/(rth+r2);
+Rth=(6/5)+(3/4);
+req2=10+2;
+I3=9/12;
+disp(sprintf("The value of the current is %f A",I3));
+
+//END