initial commit / add all books

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diff --git a/2288/CH5/EX5.11.4/ex5_11_4.sce b/2288/CH5/EX5.11.4/ex5_11_4.sce
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+//Exa 5.11.4

+clc;

+clear;

+close;

+// Given data

+V_CC = 10;// in V

+R_C = 3;// in k Ω

+R_C= R_C*10^3;// in Ω

+bita = 100;

+I_CO = 20;// in nA

+I_CO = I_CO * 10^-9;// in A

+V_BB = 5;// in V

+R_B = 200;// in kΩ

+R_B= R_B*10^3;// in Ω

+V_BE = 0.7;// in V

+// Applying KVL to the base circuit, V_BB= I_B*R_B+V_BE

+I_B = (V_BB - V_BE)/R_B;// in A

+disp(I_B*10^6,"The base current in µA is");

+I_C = (bita * I_B) + I_CO;// in A

+disp(I_C*10^3,"The collector current in mA is");

+I_E = I_C + I_B;// in A

+disp(I_E*10^3,"Emitter current in mA is");

+V_CE = V_CC - (I_C * R_C);// in V

+disp(V_CE,"Collector emitter voltage in V is");

+