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+// chapter 8
+// example 8.12
+// Determine the ON time of the chopper
+// page-465
+clear;
+clc;
+// given
+Edc=230; // in V (dc source)
+F=400; // in Hz (chopping frequency)
+E0=150; // in V
+// calculate
+// Siince E0=alpha*Edc, therefore we get,
+alpha=E0/Edc;
+T=1/F;
+// Since alpha=Ton/T, therefore we get,
+Ton=alpha*T;
+printf("\nThe ON time of chopper is \t Ton=%.4f ms",Ton*1E3);
+// Note: The answer varies slightly due to precise calculation upto 6 decimal digit
\ No newline at end of file