02. Moving Coil Galvanometer and Magnetic Device
Magnetism and Matter

154247 A 50Ω galvanometer is shunted by a resistance of 5Ω. The percentage of the total current, which passes through the galvanometer is

1 8.1%
2 10.1%
3 11.1%
4 9.1%
Magnetism and Matter

154248 A galvanometer coil has a resistance of 15Ω and gives full scale deflection for a current of 4 mA. To convert it to an ammeter of range 0 to 6 A

1 10 mΩ resistance is to be connected in parallel to the galvanometer
2 10 mΩ resistance is to be connected in series with the galvanometer
3 0.1Ω resistance is to be connected in parallel to the galvanometer
4 0.1Ω resistance is to be connected in series with the galvanometer
Magnetism and Matter

154249 The resistance of an ammeter is 13Ω and its scale is graduated for a current upto 100 A. After an additional shunt has been connected to this ammeter it becomes possible to measure currents upto 750 A by this meter. The value of shunt resistance is

1 20Ω
2 2Ω
3 0.2Ω
4 2kΩ
Magnetism and Matter

154250 In an ammeter, 4% of the main current is passing through galvanometer. If the galvanometer is shunted with a 5Ω resistance, the resistance of the galvanometer is :

1 120Ω
2 20Ω
3 5Ω
4 4Ω
Magnetism and Matter

154246 The radius of the coil of a TG which has 10 turns is 0.1 m. The current required to produce a deflection of 60(Bh=4×105 T) is:

1 3 A
2 1.1 A
3 2.1 A
4 1.5 A
5 2.6 A
Magnetism and Matter

154247 A 50Ω galvanometer is shunted by a resistance of 5Ω. The percentage of the total current, which passes through the galvanometer is

1 8.1%
2 10.1%
3 11.1%
4 9.1%
Magnetism and Matter

154248 A galvanometer coil has a resistance of 15Ω and gives full scale deflection for a current of 4 mA. To convert it to an ammeter of range 0 to 6 A

1 10 mΩ resistance is to be connected in parallel to the galvanometer
2 10 mΩ resistance is to be connected in series with the galvanometer
3 0.1Ω resistance is to be connected in parallel to the galvanometer
4 0.1Ω resistance is to be connected in series with the galvanometer
Magnetism and Matter

154249 The resistance of an ammeter is 13Ω and its scale is graduated for a current upto 100 A. After an additional shunt has been connected to this ammeter it becomes possible to measure currents upto 750 A by this meter. The value of shunt resistance is

1 20Ω
2 2Ω
3 0.2Ω
4 2kΩ
Magnetism and Matter

154250 In an ammeter, 4% of the main current is passing through galvanometer. If the galvanometer is shunted with a 5Ω resistance, the resistance of the galvanometer is :

1 120Ω
2 20Ω
3 5Ω
4 4Ω
Magnetism and Matter

154246 The radius of the coil of a TG which has 10 turns is 0.1 m. The current required to produce a deflection of 60(Bh=4×105 T) is:

1 3 A
2 1.1 A
3 2.1 A
4 1.5 A
5 2.6 A
Magnetism and Matter

154247 A 50Ω galvanometer is shunted by a resistance of 5Ω. The percentage of the total current, which passes through the galvanometer is

1 8.1%
2 10.1%
3 11.1%
4 9.1%
Magnetism and Matter

154248 A galvanometer coil has a resistance of 15Ω and gives full scale deflection for a current of 4 mA. To convert it to an ammeter of range 0 to 6 A

1 10 mΩ resistance is to be connected in parallel to the galvanometer
2 10 mΩ resistance is to be connected in series with the galvanometer
3 0.1Ω resistance is to be connected in parallel to the galvanometer
4 0.1Ω resistance is to be connected in series with the galvanometer
Magnetism and Matter

154249 The resistance of an ammeter is 13Ω and its scale is graduated for a current upto 100 A. After an additional shunt has been connected to this ammeter it becomes possible to measure currents upto 750 A by this meter. The value of shunt resistance is

1 20Ω
2 2Ω
3 0.2Ω
4 2kΩ
Magnetism and Matter

154250 In an ammeter, 4% of the main current is passing through galvanometer. If the galvanometer is shunted with a 5Ω resistance, the resistance of the galvanometer is :

1 120Ω
2 20Ω
3 5Ω
4 4Ω
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Magnetism and Matter

154246 The radius of the coil of a TG which has 10 turns is 0.1 m. The current required to produce a deflection of 60(Bh=4×105 T) is:

1 3 A
2 1.1 A
3 2.1 A
4 1.5 A
5 2.6 A
Magnetism and Matter

154247 A 50Ω galvanometer is shunted by a resistance of 5Ω. The percentage of the total current, which passes through the galvanometer is

1 8.1%
2 10.1%
3 11.1%
4 9.1%
Magnetism and Matter

154248 A galvanometer coil has a resistance of 15Ω and gives full scale deflection for a current of 4 mA. To convert it to an ammeter of range 0 to 6 A

1 10 mΩ resistance is to be connected in parallel to the galvanometer
2 10 mΩ resistance is to be connected in series with the galvanometer
3 0.1Ω resistance is to be connected in parallel to the galvanometer
4 0.1Ω resistance is to be connected in series with the galvanometer
Magnetism and Matter

154249 The resistance of an ammeter is 13Ω and its scale is graduated for a current upto 100 A. After an additional shunt has been connected to this ammeter it becomes possible to measure currents upto 750 A by this meter. The value of shunt resistance is

1 20Ω
2 2Ω
3 0.2Ω
4 2kΩ
Magnetism and Matter

154250 In an ammeter, 4% of the main current is passing through galvanometer. If the galvanometer is shunted with a 5Ω resistance, the resistance of the galvanometer is :

1 120Ω
2 20Ω
3 5Ω
4 4Ω
Magnetism and Matter

154246 The radius of the coil of a TG which has 10 turns is 0.1 m. The current required to produce a deflection of 60(Bh=4×105 T) is:

1 3 A
2 1.1 A
3 2.1 A
4 1.5 A
5 2.6 A
Magnetism and Matter

154247 A 50Ω galvanometer is shunted by a resistance of 5Ω. The percentage of the total current, which passes through the galvanometer is

1 8.1%
2 10.1%
3 11.1%
4 9.1%
Magnetism and Matter

154248 A galvanometer coil has a resistance of 15Ω and gives full scale deflection for a current of 4 mA. To convert it to an ammeter of range 0 to 6 A

1 10 mΩ resistance is to be connected in parallel to the galvanometer
2 10 mΩ resistance is to be connected in series with the galvanometer
3 0.1Ω resistance is to be connected in parallel to the galvanometer
4 0.1Ω resistance is to be connected in series with the galvanometer
Magnetism and Matter

154249 The resistance of an ammeter is 13Ω and its scale is graduated for a current upto 100 A. After an additional shunt has been connected to this ammeter it becomes possible to measure currents upto 750 A by this meter. The value of shunt resistance is

1 20Ω
2 2Ω
3 0.2Ω
4 2kΩ
Magnetism and Matter

154250 In an ammeter, 4% of the main current is passing through galvanometer. If the galvanometer is shunted with a 5Ω resistance, the resistance of the galvanometer is :

1 120Ω
2 20Ω
3 5Ω
4 4Ω