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+// Exa 4.7
+
+clc;
+clear all;
+// Referring circuit given in fig. 4.7 on page no.81
+
+S1=1000; // Sensitivity of meter 1 (Ohms/volt)
+S2=20000;// Sensitivity of meter 2(Ohms/volt)
+Rm1=200;// Meter resistance(Ohms)
+Rm2=1500;// Meter resistance(Ohms)
+V1=10; // Range of voltmeter 1(Volts)
+V2=10;
+Ra=25000; // in Ohms
+Rb=5000;// in Ohms
+V=30; // Applied Voltage(V)
+
+//Solution
+
+VRb= Rb/(Ra+Rb) * V; // Voltage across Rb
+printf('The voltage across the resistance Rb, without either meter connected = %d V\n ',VRb);
+
+// For meter 1
+Rt1=S1* V1; // Total resistance of meter1
+
+Req1= Rb*Rt1/(Rb+Rt1); // Total resistance across Rb
+VRb1= Req1/(Req1+Ra) * V; // Voltage reading across Rb with meter1
+printf('The voltage across Rb when meter 1 is used is = %.2f V \n',VRb1);
+Err1=(VRb-VRb1)/VRb *100; // Voltmeter 1 error
+printf(' Voltmeter 1  error in percentage = %.1f  \n ',Err1);
+
+// For meter 2
+
+Rt2=S2* V2; // Total resistance of meter 2
+
+Req2= Rb*Rt2/(Rb+Rt2); // Total resistance across Rb
+VRb2= Req2/(Req2+Ra) * V; // Voltage reading across Rb with meter2
+printf('The voltage across Rb when meter 2 is used is = %.1f V \n',VRb2);
+
+Err2=(VRb-VRb2)/VRb *100; // Voltmeter 2 error
+printf(' Voltmeter 2  error in percentage = %d \n ',Err2);