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//Example 4.13
clc;
Ra=45000;
Rb=5000;
S=20000; //Given sentivity
V=50; //Voltage across given terminals
VRb=Rb*V/(Ra+Rb); //Using Voltage divide between Ra Rb
//Also the true voltage across Rb
disp(VRb,'True voltage across Rb')
// Case I: For range of 5 V
R=5; //Range of meter 1
Rv=S*R; //Voltmeter Resistence
Req=Rb*Rv/(Rb+Rv); //R2 is parallel to meter
V1=V*Req/(Ra+Req); //Voltage across the total combination
disp(V1,'Voltmeter with range 5 V')
Ev1=(VRb-V1)*100/VRb; //Error in voltmeter 1
disp(Ev1,' Error in voltmeter 1')
// Case II: For range of 10 V
R=10; //Range of meter 2
Rv=S*R; //Voltmeter Resistence
Req=Rb*Rv/(Rb+Rv); //R2 is parallel to meter
V2=V*Req/(Ra+Req); //Voltage across the total combination
disp(V2,'Voltmeter with range 10 V')
Ev2=(VRb-V2)*100/VRb; //Error in voltmeter 2
disp(Ev2,' Error in voltmeter 2')
// Case III: For range of 30 V
R=30; //Range of meter 3
Rv=S*R; //Voltmeter Resistence
Req=Rb*Rv/(Rb+Rv); //R2 is parallel to meter
V3=V*Req/(Ra+Req); //Voltage across the total combination
disp(V3,'Voltmeter with range 30 V')
Ev3=(VRb-V3)*100/VRb; //Error in voltmeter 3
disp(Ev3,' Error in voltmeter 3')
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