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+//Book Name:Fundamentals of Electrical Engineering
+//Author:Rajendra Prasad
+//Publisher: PHI Learning Private Limited
+//Edition:Third ,2014
+
+//Ex2_7.sce.
+
+clc;
+clear;
+R1=5;             //Resistance in ohm
+R2=2;            //Resistance in ohm
+R3=3;           //Resistance in ohm
+
+a1=7;b1=-5;c1=50;                               //these are the coefficient values of VA,VB and the source obtained from node A in the given circuit
+a2=3;b2=5;c2=0;                                //these are the coefficient values of VA,VB and the source obtained from node B in the given circuit
+del=det([a1 b1;a2 b2]);
+del1=det([c1 b1;c2 b2]);
+del2=det([a1 c1;a2 c2]);
+
+VA=del1/del;                                    //Using Cramer's rule
+VB=del2/del;                                   //Using Cramer's rule
+Vba=VA-VB;
+printf("\n  Voltage across the 2 ohm resistor=%d V \n",Vba)