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+//Tested on Windows 7 Ultimate 32-bit
+//Chapter 3 Semiconductor Diodes and Miscellaneous Devices Pg no. 90
+clear;
+clc;
+
+//Given Data
+
+Rl=2D3;//Load resistance in ohms
+esp=50;//Input signal voltage magnitude in volts peak
+esf=314/(2*%pi);//Input signal frequncy in hertz
+Vr_to_Vdc=6/100;//Ratio of peak to peak ripple voltage to d.c. output voltage
+
+//Solution
+
+//Using figure E3.4
+//From right angled triangle pqr
+
+C=1/(esf*Rl*Vr_to_Vdc)*10^6;//Capacitance in micro faraday;
+
+printf("The size of filter capacitor is C = %.1f μF",C);
+
+//Decimal errors in textbook due to approximations