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+//Book Name:Fundamentals of Electrical Engineering
+//Author:Rajendra Prasad
+//Publisher: PHI Learning Private Limited
+//Edition:Third ,2014
+
+//Ex7_10.sce.
+
+clc;
+clear;
+Ip=1000;                          //primary current in A
+Is=5;                             //secodary current in A
+Tp=1;                              //number of Primary turns
+
+printf("\n (a)")
+nominal_ratio=Ip/Is;
+Ie=7;                             //loss component of current in A
+actual_ratio=nominal_ratio+(Ie/Is);
+epsilon_r=((nominal_ratio-actual_ratio)/actual_ratio)*100;
+printf("\n  Ratio error when turns ratio equal to nominal ratio=%1.3f percentage \n",epsilon_r)
+
+printf("\n (b)")
+reducing_value=0.5/100;
+Ts=nominal_ratio-(reducing_value*nominal_ratio); 
+n=Ts/Tp;                                      //transformer turns ratio
+actual_ratio=n+(Ie/Is);  
+epsilon_r=((nominal_ratio-actual_ratio)/actual_ratio)*100;
+printf("\n  Ratio error when secondary turns are reduced by 0.5 percentage=%1.1f percentage",epsilon_r)