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diff --git a/2672/CH2/EX2.5/Ex2_5.sce b/2672/CH2/EX2.5/Ex2_5.sce
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+//Ex_2_5
+clc;
+clear;
+close;
+format('v',6);
+//given data : 
+I1=5;//A
+N1=500;//turns
+fi1=1;//mWb
+dt=10;//ms
+e2=50;//V
+K=60/100;//coefficient of coupling
+di1=2*(I1);//A(as current changes from +5A to -5A)
+M=e2*dt*10^-3/di1;//H
+L1=N1*fi1/1000/I1;//H
+L2=L1*M^2/K^2;//H
+disp(M,"Mutual Inductance of two coil(H)");
+disp(L1,"Self inductance of coil 1(H)");
+disp(L2,"Self inductance of coil 2(H)");
+//Answer is wrong in the book.