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+// Exa 8.9
+clc;
+clear;
+close;
+format('v',5)
+// Given data
+Z_L = 25;// in ohm
+Z_S = 10;// in k ohm
+Z_S = Z_S * 10^3;// in k ohm
+// Z_S = (a^2)*Z_L;
+a = sqrt(Z_S/Z_L);//turn ratio of the transformer 
+disp(a,"The transformer turn ratio is");
+//V2 = V1/a = Vs/a;
+Vs = 8;// in V
+V2 = Vs/a;// in V
+V_L =V2;// in V
+disp(V_L,"The load voltage in V is");