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diff --git a/2702/CH3/EX3.5/Ex_3_5.sce b/2702/CH3/EX3.5/Ex_3_5.sce
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+// Exa 3.5
+clc;
+clear;
+close;
+// Given data 
+V_CC= 6;// in V
+bita= 100;
+R_C= 2;// in kΩ
+R_C= R_C*10^3;// in Ω
+R_B= 530;// in kΩ
+R_B= R_B*10^3;// in Ω
+// when I_C=0
+I_C=0;
+V_CE= V_CC-I_C*R_C;// in volt
+V_CE= 0:0.1:6;// in Volt
+I_C= (V_CC-V_CE)/R_C*1000;// in mA
+plot(V_CE,I_C);
+title("DC load line")
+xlabel("V_CE in volts")
+ylabel("I_C in mA")
+disp("DC load line shown in figure")
+// When V_CE= 0
+I_C= V_CC/R_C;//in A
+// Operating point for silicon transistor 
+V_BE= 0.7;// in V
+I_B= (V_CC-V_BE)/R_B;//in A
+I_CQ= bita*I_B;// in A
+V_CEQ= V_CC-I_CQ*R_C;// in volt
+disp("Operating point is "+string(V_CEQ)+" V and "+string(I_CQ*10^3)+" mA")