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+//Example 1_22
+clc;
+clear;
+close;
+format('v',6);
+//given data :
+V1=24;//V
+V2=12;//V
+R1=4;//ohm
+R2=5;//ohm
+R3=3;//ohm
+R4=5;//ohm
+R5=3;//ohm
+RL=10;//ohm
+//Open circuit AB
+I=V1/(R1+R2+R3);//A
+//Potential of point A
+VBQ=0;//V//there is no current
+VPS=0;//V//there is no current
+VQP=I*(R2+R3);//V
+VSA=V2;//V
+//Potential of point A with respect to B
+VAB=VBQ+VQP+VPS-VSA;//V
+VOC=VAB;//V
+Req=R1*(R2+R3)/(R1+R2+R3)+R4+R5;//ohm
+//Thevenin equivalent current
+I=VOC/(Req+RL);//A
+disp(I,"Current flowing through load resistance(A)");