initial commit / add all books

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+// Exa 1.29

+clc;

+clear;

+close;

+format('v',6)

+// Given data

+Eta = 1;

+V_T = 0.026;

+// I = Io*( (%e^(V/(Eta*V_T))) - 1 ) and  I = -Io;

+// I = -0.9*Io;

+// -0.9*Io = Io*( (%e^(V/(Eta*V_T))) - 1 );

+V = Eta*V_T*log(0.1);// in V

+V = V * 10^3;// in mV

+disp(V,"The voltage in mV is");

+V = 0.05;// in V

+// The ratio of diode current with a forward bias to current with a reverse bias 

+If_by_Ir= ( (%e^(V/V_T))-1 )/( (%e^(-V/V_T))-1 );

+disp(If_by_Ir,"The ratio of diode current with a forward bias to current with a reverse bias is");

+Io = 10;// in µA

+V = 0.1;// in V

+// The value of I1 

+I1 = Io*( (%e^(V/V_T))-1 );// in µA

+disp(I1,"The value of I1 in µA is");

+V = 0.2;// in V

+// The value of I2

+I2 = Io*( (%e^(V/V_T))-1 );// in µA 

+I2 = I2 * 10^-3;// in mA

+disp(I2,"The value of I2 in mA is");

+V = 0.3;// in V

+// The value of I3

+I3 = Io*( (%e^(V/V_T))-1 );// in µA

+I3 = I3 * 10^-6;// in A

+disp(I3,"The value of I3 in A is");