// Calculating Efficiency using Sumpner test clc; clear; P=200*(10^3); W1= 4*(10^3); // Total iron loss for both the transformers W2= 6*(10^3); // Total copper loss for both the transformers n=P*100/(P+(W1/2)+(W2/2));// Efficiency printf('The Efficiency of each transformer at full load = %f percent \n',n)