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+// Exa 3.7

+format('v',6)

+clc;

+clear;

+close;

+// Given data

+Vm = 20;// in V

+Idc = 100;// in mA

+Idc = Idc * 10^-3;// in A

+R_S = 5;// in ohm

+R_F = 2;// in ohm

+Vdc = ((2*sqrt(2)*Vm)/%pi) - Idc*(R_S+2*R_F);// in V

+disp(Vdc,"The output dc voltage at dc load current of 100 mA in V is");

+Idc = 200;// in mA

+Idc = Idc * 10^-3;// in A

+Vdc = ((2*sqrt(2)*Vm)/%pi) - Idc*(R_S+2*R_F);// in V

+R_L = Vdc/Idc;// in ohm

+// The percentage regulaiton

+Per_reg = ((2*R_F+R_S)/R_L)*100;// in %

+disp(Per_reg,"The percentage regulation for a full load dc current of 200 mA in % is");

+Eta = round((8/(%pi^2)) * ( R_L/(2*R_F+R_S+R_L) )*100);// in %

+disp(Eta,"The efficiency of the rectifier in % is");