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+//CHAPTER 1- D.C. CIRCUIT ANALYSIS AND NETWORK THEOREMS 
+//Example 12
+
+disp("CHAPTER 1");
+disp("EXAMPLE 12");
+
+//VARIABLE INITIALIZATION
+v=10;                              //voltage source in Volts
+I=5;                               //current source in Amperes
+r1=2;                              //in Ohms
+r2=2;                              //in Ohms
+r3=4;                              //in Ohms
+
+//SOLUTION
+
+//deactivating current source
+v1=(v/r1)/((1/r1)+(1/r2)+(1/r3));  //using nodal analysis
+I1=v1/r3;
+
+//deactivating voltage source
+v2=I/((1/r1)+(1/r2)+(1/r3));       //using nodal analysis
+I2=v2/r3;
+I_tot=I1+I2;                       //applying Superposition Theorem (I1 and I2 are in same direction) 
+
+disp(sprintf("By Superposition Theorem, the current through resistor R3 is %d A",I_tot));
+
+//END