Moving Coil Galvanometer & Its Applications
PHXII04:MOVING CHARGES AND MAGNETISM

362946 The resistance of an ammeter is \(13\,\Omega \) and its scale is graduated for a current upto \(100\,amps.\) After an additional shunt has been connected to this ammeter it becomes possible to measure currents upto 750 amperes by this meter. The value of shunt-resistance is

1 \(2\,\Omega \)
2 \(0.2\,\Omega \)
3 \(2\,k{\mkern 1mu} \Omega \)
4 \(20\,\Omega \)
PHXII04:MOVING CHARGES AND MAGNETISM

362947 A galvanometer of resistance \(20 \Omega\) is to be converted into an ammeter of range 1\(A\). If a current of 1\(mA\) produces full scale deflection, the shunt required for the purpose is

1 \(0.04 \Omega\)
2 \(0.01 \Omega\)
3 \(0.05 \Omega\)
4 \(0.02 \Omega\)
PHXII04:MOVING CHARGES AND MAGNETISM

362948 Full scale deflection current for galvanometer is \(1\,mA\). For making its range upto \(10\,A\). Find the required shunt (Resistance of Galvanometer is \({1000 \Omega}\).

1 \({1 \Omega}\)
2 \({10 \Omega}\)
3 \({0.3 \Omega}\)
4 \({0.1 \Omega}\)
PHXII04:MOVING CHARGES AND MAGNETISM

362949 In an ammeter, \(5 \%\) of the main current passes through the galvanometer. If resistance of the galvanometer is \(G\), the resistance of ammeter will be

1 \(199\,G\)
2 \(200\,G\)
3 \(\frac{G}{{20}}\)
4 \(\frac{G}{{199}}\)
PHXII04:MOVING CHARGES AND MAGNETISM

362950 The deflection in a moving coil galvanometer falls from 50 divisions to 10 divisions when a shunt of 12 \(ohm\) is applied. What is the resistance of the galvanometer?

1 \(12 \Omega\)
2 \(24 \Omega\)
3 \(48 \Omega\)
4 \(6 \Omega\)
PHXII04:MOVING CHARGES AND MAGNETISM

362946 The resistance of an ammeter is \(13\,\Omega \) and its scale is graduated for a current upto \(100\,amps.\) After an additional shunt has been connected to this ammeter it becomes possible to measure currents upto 750 amperes by this meter. The value of shunt-resistance is

1 \(2\,\Omega \)
2 \(0.2\,\Omega \)
3 \(2\,k{\mkern 1mu} \Omega \)
4 \(20\,\Omega \)
PHXII04:MOVING CHARGES AND MAGNETISM

362947 A galvanometer of resistance \(20 \Omega\) is to be converted into an ammeter of range 1\(A\). If a current of 1\(mA\) produces full scale deflection, the shunt required for the purpose is

1 \(0.04 \Omega\)
2 \(0.01 \Omega\)
3 \(0.05 \Omega\)
4 \(0.02 \Omega\)
PHXII04:MOVING CHARGES AND MAGNETISM

362948 Full scale deflection current for galvanometer is \(1\,mA\). For making its range upto \(10\,A\). Find the required shunt (Resistance of Galvanometer is \({1000 \Omega}\).

1 \({1 \Omega}\)
2 \({10 \Omega}\)
3 \({0.3 \Omega}\)
4 \({0.1 \Omega}\)
PHXII04:MOVING CHARGES AND MAGNETISM

362949 In an ammeter, \(5 \%\) of the main current passes through the galvanometer. If resistance of the galvanometer is \(G\), the resistance of ammeter will be

1 \(199\,G\)
2 \(200\,G\)
3 \(\frac{G}{{20}}\)
4 \(\frac{G}{{199}}\)
PHXII04:MOVING CHARGES AND MAGNETISM

362950 The deflection in a moving coil galvanometer falls from 50 divisions to 10 divisions when a shunt of 12 \(ohm\) is applied. What is the resistance of the galvanometer?

1 \(12 \Omega\)
2 \(24 \Omega\)
3 \(48 \Omega\)
4 \(6 \Omega\)
PHXII04:MOVING CHARGES AND MAGNETISM

362946 The resistance of an ammeter is \(13\,\Omega \) and its scale is graduated for a current upto \(100\,amps.\) After an additional shunt has been connected to this ammeter it becomes possible to measure currents upto 750 amperes by this meter. The value of shunt-resistance is

1 \(2\,\Omega \)
2 \(0.2\,\Omega \)
3 \(2\,k{\mkern 1mu} \Omega \)
4 \(20\,\Omega \)
PHXII04:MOVING CHARGES AND MAGNETISM

362947 A galvanometer of resistance \(20 \Omega\) is to be converted into an ammeter of range 1\(A\). If a current of 1\(mA\) produces full scale deflection, the shunt required for the purpose is

1 \(0.04 \Omega\)
2 \(0.01 \Omega\)
3 \(0.05 \Omega\)
4 \(0.02 \Omega\)
PHXII04:MOVING CHARGES AND MAGNETISM

362948 Full scale deflection current for galvanometer is \(1\,mA\). For making its range upto \(10\,A\). Find the required shunt (Resistance of Galvanometer is \({1000 \Omega}\).

1 \({1 \Omega}\)
2 \({10 \Omega}\)
3 \({0.3 \Omega}\)
4 \({0.1 \Omega}\)
PHXII04:MOVING CHARGES AND MAGNETISM

362949 In an ammeter, \(5 \%\) of the main current passes through the galvanometer. If resistance of the galvanometer is \(G\), the resistance of ammeter will be

1 \(199\,G\)
2 \(200\,G\)
3 \(\frac{G}{{20}}\)
4 \(\frac{G}{{199}}\)
PHXII04:MOVING CHARGES AND MAGNETISM

362950 The deflection in a moving coil galvanometer falls from 50 divisions to 10 divisions when a shunt of 12 \(ohm\) is applied. What is the resistance of the galvanometer?

1 \(12 \Omega\)
2 \(24 \Omega\)
3 \(48 \Omega\)
4 \(6 \Omega\)
PHXII04:MOVING CHARGES AND MAGNETISM

362946 The resistance of an ammeter is \(13\,\Omega \) and its scale is graduated for a current upto \(100\,amps.\) After an additional shunt has been connected to this ammeter it becomes possible to measure currents upto 750 amperes by this meter. The value of shunt-resistance is

1 \(2\,\Omega \)
2 \(0.2\,\Omega \)
3 \(2\,k{\mkern 1mu} \Omega \)
4 \(20\,\Omega \)
PHXII04:MOVING CHARGES AND MAGNETISM

362947 A galvanometer of resistance \(20 \Omega\) is to be converted into an ammeter of range 1\(A\). If a current of 1\(mA\) produces full scale deflection, the shunt required for the purpose is

1 \(0.04 \Omega\)
2 \(0.01 \Omega\)
3 \(0.05 \Omega\)
4 \(0.02 \Omega\)
PHXII04:MOVING CHARGES AND MAGNETISM

362948 Full scale deflection current for galvanometer is \(1\,mA\). For making its range upto \(10\,A\). Find the required shunt (Resistance of Galvanometer is \({1000 \Omega}\).

1 \({1 \Omega}\)
2 \({10 \Omega}\)
3 \({0.3 \Omega}\)
4 \({0.1 \Omega}\)
PHXII04:MOVING CHARGES AND MAGNETISM

362949 In an ammeter, \(5 \%\) of the main current passes through the galvanometer. If resistance of the galvanometer is \(G\), the resistance of ammeter will be

1 \(199\,G\)
2 \(200\,G\)
3 \(\frac{G}{{20}}\)
4 \(\frac{G}{{199}}\)
PHXII04:MOVING CHARGES AND MAGNETISM

362950 The deflection in a moving coil galvanometer falls from 50 divisions to 10 divisions when a shunt of 12 \(ohm\) is applied. What is the resistance of the galvanometer?

1 \(12 \Omega\)
2 \(24 \Omega\)
3 \(48 \Omega\)
4 \(6 \Omega\)
PHXII04:MOVING CHARGES AND MAGNETISM

362946 The resistance of an ammeter is \(13\,\Omega \) and its scale is graduated for a current upto \(100\,amps.\) After an additional shunt has been connected to this ammeter it becomes possible to measure currents upto 750 amperes by this meter. The value of shunt-resistance is

1 \(2\,\Omega \)
2 \(0.2\,\Omega \)
3 \(2\,k{\mkern 1mu} \Omega \)
4 \(20\,\Omega \)
PHXII04:MOVING CHARGES AND MAGNETISM

362947 A galvanometer of resistance \(20 \Omega\) is to be converted into an ammeter of range 1\(A\). If a current of 1\(mA\) produces full scale deflection, the shunt required for the purpose is

1 \(0.04 \Omega\)
2 \(0.01 \Omega\)
3 \(0.05 \Omega\)
4 \(0.02 \Omega\)
PHXII04:MOVING CHARGES AND MAGNETISM

362948 Full scale deflection current for galvanometer is \(1\,mA\). For making its range upto \(10\,A\). Find the required shunt (Resistance of Galvanometer is \({1000 \Omega}\).

1 \({1 \Omega}\)
2 \({10 \Omega}\)
3 \({0.3 \Omega}\)
4 \({0.1 \Omega}\)
PHXII04:MOVING CHARGES AND MAGNETISM

362949 In an ammeter, \(5 \%\) of the main current passes through the galvanometer. If resistance of the galvanometer is \(G\), the resistance of ammeter will be

1 \(199\,G\)
2 \(200\,G\)
3 \(\frac{G}{{20}}\)
4 \(\frac{G}{{199}}\)
PHXII04:MOVING CHARGES AND MAGNETISM

362950 The deflection in a moving coil galvanometer falls from 50 divisions to 10 divisions when a shunt of 12 \(ohm\) is applied. What is the resistance of the galvanometer?

1 \(12 \Omega\)
2 \(24 \Omega\)
3 \(48 \Omega\)
4 \(6 \Omega\)