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+//Chapter-4, Example 4.7, Page 135
+//=============================================================================
+clc
+clear
+//INPUT DATA
+I=10;//direct current in A
+Im=10;//peak value of sinusoidal current in A
+//CALCULATIONS
+function y1=f1(x),y1=(I+Im*sin(x))^2,endfunction
+a1=(intg(0,2*%pi,f1));
+a1=a1/(2*%pi);//mean square value in A
+rms=sqrt(a1);//rms value in A
+mprintf("rms value is %2.2f A",rms);
+//=================================END OF PROGRAM==============================