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+// Exa 1.22
+
+clc;
+clear;
+
+// Given
+
+// A sine wave AC input 
+
+// Solution
+
+printf('For a square wave, the form factor is 1.0, that is, the average and rms value are same \n');
+printf(' For a sine wave, the form factor is 1.1, that is, the rms is 1.11 times the average \n');
+printf(' Since the meter is calibrated for a sine wave, for a 1.0 V rms value of square wave, it indicates 1.11 V \n');
+FFsq = 1.0;
+FFsi = 1.11;
+Perror = 100*(FFsi-FFsq)/FFsq;
+printf(' The percentage error in the meter indication = %d percent \n',Perror);