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diff --git a/1850/CH3/EX3.5/exa_3_5.sce b/1850/CH3/EX3.5/exa_3_5.sce
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+// Exa 3.5
+clc;
+clear;
+close;
+//given data
+R_in= 2;// in  M ohm
+R_in=R_in*10^6;// in ohm
+R_out=75;// in  ohm
+A=2*10^5;
+f_o=5;// in Hz
+// For voltage follower
+B=1; // since R_f=0
+A_f=1;
+disp(A_f,"Voltage gain :");
+R_inf= A*R_in;// in ohm
+R_inf=R_inf*10^-9;// in G ohm
+disp(R_inf,"Input resistance in G ohm");
+R_outf= R_out/A;// in ohm
+disp(R_outf,"Output resistance in ohm");
+f_f= A*f_o;// in Hz
+disp(f_f*10^-6,"Bandwidth in MHz");
+