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diff --git a/2702/CH1/EX1.11/Ex_1_11.sce b/2702/CH1/EX1.11/Ex_1_11.sce
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+// Exa 1.11
+clc;
+clear;
+close;
+// Given data
+Rf=500;// in kohm
+min_vvs= 0;// minimum value of variable resistor in ohm
+max_vvs= 10;// maximum value of variable resistor in ohm
+Ri_min= 10+min_vvs;// in kohm
+Ri_max= 10+max_vvs;//in kohm
+// Av= Vo/Vi= -Rf/Ri
+disp("Closed loop voltage gain corresponding to Ri(min) is ")
+Av=-Rf/Ri_min;
+disp(Av)
+disp("and closed loop voltage gain corresponding to Ri(max) is ")
+Av=-Rf/Ri_max;
+disp(Av)
+disp("Thus the closed loop gain of the circuit can be adjusted at any value between -25 to -50 with the help of variable resistor.")