initial commit / add all books

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+// Exa 2.2

+clc;

+clear;

+close;

+format('v',6)

+// Given data

+Rf = 10;// in ohm

+R_L = 1;// in k ohm

+R_L = R_L * 10^3;// in ohm

+Vi = 230;// in V

+Vm = Vi*sqrt(2);

+//I_DC = Im/%pi;

+I_DC = Vm/((R_L+Rf)*%pi);// in A

+Irms = Vm/((R_L+Rf)*2);// in A

+// The input ac power 

+P_iAC = (Irms^2)*(Rf+R_L);// in W 

+disp(P_iAC,"The input ac power in W is");

+// The output ac power 

+P_ODC = (I_DC^2)*R_L;// in W

+disp(P_ODC,"The output ac power in W is");

+// The efficiency 

+Eta = (P_ODC/P_iAC)*100;// in %

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

+// The percentage regulation 

+R = (Rf/R_L)*100;// in %

+disp(R,"The percentage regulation in % is");

+

+// Note: The calculated value of input a.c. power in the book is wrong.