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+// Exa 9.3
+clc;
+clear;
+close;
+format('v',5)
+// Given data
+N1 = 500;
+N2 = 40;
+E1 = 3000;// in V
+f = 50;// in Hz
+K = N2/N1;
+Rating = 25*10^3;// in VA
+I1 = Rating/E1;// in A
+disp(I1,"The primary full load current in A is");
+I2 = I1/K;// in A
+disp(I2,"The secondary full load current in A is");
+// K = E2/E1;
+E2 = K*E1;// in V
+disp(E2,"The secondary emf in V is");
+// e.m.f equation of the transformer, E1 = 4.44*phi_m*f*N1;
+phi_m = E1/(4.44*f*N1);// in Wb
+phi_m = phi_m*10^3;// in mWb
+disp(phi_m,"The maximum core flux in mWb is");