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diff --git a/1319/CH5/EX5.4/5_4.sce b/1319/CH5/EX5.4/5_4.sce
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+// Total resitance and total copper loss at full load
+
+clc;
+clear;
+
+P=40*(10^3);
+E1=2000;
+E2=250;
+
+n=E2/E1; //Transformation ratio
+
+R1=1.15;
+R2=0.0155;
+
+R1w2=R1*(n^2);
+R2w1=R2/(n^2);
+
+Rt=R2+R1w2;
+
+// Full load currents
+I1=P/E1;
+I2=P/E2;
+
+Pc1=(I1^2)*R1; // Primary Loss
+Pc2=(I2^2)*R2; // Secondary Loss
+
+Pc= Pc1+Pc2; // Total Copper loss at full load
+
+printf('a) The total resitance in terms of the secondary winding = %f ohms \n',Rt)
+printf('b) Total copper loss on full load = %f watts',Pc)
+
+