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+//Example 4.12: 
+clc;
+clear;
+close;
+//given data :
+Rc=10;// in k-ohm
+Rl=10;// in k-ohm
+Beta=100;
+Ri=2.5;
+Iv=2;// input voltage in mV
+Rac=Rc*Rl/(Rc+Rl);
+Av=round(Beta*Rac/Ri);
+Ov=Av*Iv*10^-3;
+format('v',4)
+disp(Ov,"Output voltage,(V) = ")