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diff --git a/3515/CH3/EX3.10/Ex_3_10.sce b/3515/CH3/EX3.10/Ex_3_10.sce
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+// Exa 3.10
+format('v',7);
+clc;
+clear;
+close;
+// Given data 
+V_CC= 10;// in V
+V_BB= 3;// in V
+V_BE= 0.7;// in V
+V_T= 25*10^-3;// in V
+bita=100;
+RC= 3;// in kΩ
+RC=RC*10^3;// in Ω
+RB= 100;// in kΩ
+RB=RB*10^3;// in Ω
+I_B= (V_BB-V_BE)/RB;// in V
+I_C= bita*I_B;// in A
+V_C= V_CC-I_C*RC;// in V
+gm= I_C/V_T;// in A/V
+r_pi= bita/gm;// in Ω
+// v_be= r_pi/(RB+r_pi)*v_i
+v_be_by_v_i= r_pi/(RB+r_pi);
+// v_o= -gm*v_be*RC
+v_o_by_v_i= -gm*v_be_by_v_i*RC;// in V/V
+Av= v_o_by_v_i;// in V/V
+disp(round(Av),"Voltage gain in V/V is : ")