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+// Exa 4.3
+
+clc;
+clear all;
+
+// Given data
+// Refer Fig. 4.3 on page no. 77
+
+Rm=50; // Internal resistance of Voltmeter(ohms)
+Ifsd=2; // full sclae deflection current(mA)
+
+//Solution
+
+// For 10V range(V4 position of switch)
+V1=10;//Volts
+Rt1=V1/(Ifsd*10^-3); //total resistance in  k Ohms
+R4=Rt1-Rm;
+printf('The value of R4 = %d Ohms \n',R4);
+// For a 50V range(V3 position of switch)
+V2=50;//Volts
+Rt2=V2/(Ifsd*10^-3);
+R3=Rt2-(R4+Rm);
+printf(' The value of R3 = %d k Ohms \n',R3/1000);
+
+// For 100V range(V2 position of switch)
+V3=100;//Volts
+Rt3=V3/(Ifsd*10^-3); //total resistance in  k Ohms
+R2=Rt3-(R3+R4+Rm);
+printf(' The value of R2 = %d k Ohms \n',R2/1000);
+// For a 250V range(V3 position of switch)
+V4=250;//Volts
+Rt4=V4/(Ifsd*10^-3);
+R1=Rt4-(R2+R3+R4+Rm);
+printf(' The value of R1 = %d k Ohms \n',R1/1000);
+
+
+