02. Moving Coil Galvanometer and Magnetic Device
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Magnetism and Matter

154246 The radius of the coil of a TG which has 10 turns is $0.1 \mathrm{~m}$. The current required to produce a deflection of $60^{\circ}\left(B_{h}=4 \times 10^{-5} \mathrm{~T}\right)$ is:

1 $3 \mathrm{~A}$
2 $1.1 \mathrm{~A}$
3 $2.1 \mathrm{~A}$
4 $1.5 \mathrm{~A}$
5 $2.6 \mathrm{~A}$
Kerala CEE 2004
Magnetism and Matter

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

1 $8.1 \%$
2 $10.1 \%$
3 $11.1 \%$
4 $9.1 \%$
JCECE-2015
Magnetism and Matter

154248 A galvanometer coil has a resistance of $15 \Omega$ and gives full scale deflection for a current of 4 $m A$. To convert it to an ammeter of range 0 to $6 \mathrm{~A}$

1 $10 \mathrm{~m} \Omega$ resistance is to be connected in parallel to the galvanometer
2 $10 \mathrm{~m} \Omega$ resistance is to be connected in series with the galvanometer
3 $0.1 \Omega$ resistance is to be connected in parallel to the galvanometer
4 $0.1 \Omega$ resistance is to be connected in series with the galvanometer
JCECE-2009
Magnetism and Matter

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

1 $20 \Omega$
2 $2 \Omega$
3 $0.2 \Omega$
4 $2 \mathrm{k} \Omega$
JCECE-2008
Magnetism and Matter

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

1 $120 \Omega$
2 $20 \Omega$
3 $5 \Omega$
4 $4 \Omega$
JCECE-2004
NEET DIGITAL LIBRARY
Magnetism and Matter

154246 The radius of the coil of a TG which has 10 turns is $0.1 \mathrm{~m}$. The current required to produce a deflection of $60^{\circ}\left(B_{h}=4 \times 10^{-5} \mathrm{~T}\right)$ is:

1 $3 \mathrm{~A}$
2 $1.1 \mathrm{~A}$
3 $2.1 \mathrm{~A}$
4 $1.5 \mathrm{~A}$
5 $2.6 \mathrm{~A}$
Kerala CEE 2004
Magnetism and Matter

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

1 $8.1 \%$
2 $10.1 \%$
3 $11.1 \%$
4 $9.1 \%$
JCECE-2015
Magnetism and Matter

154248 A galvanometer coil has a resistance of $15 \Omega$ and gives full scale deflection for a current of 4 $m A$. To convert it to an ammeter of range 0 to $6 \mathrm{~A}$

1 $10 \mathrm{~m} \Omega$ resistance is to be connected in parallel to the galvanometer
2 $10 \mathrm{~m} \Omega$ resistance is to be connected in series with the galvanometer
3 $0.1 \Omega$ resistance is to be connected in parallel to the galvanometer
4 $0.1 \Omega$ resistance is to be connected in series with the galvanometer
JCECE-2009
Magnetism and Matter

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

1 $20 \Omega$
2 $2 \Omega$
3 $0.2 \Omega$
4 $2 \mathrm{k} \Omega$
JCECE-2008
Magnetism and Matter

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

1 $120 \Omega$
2 $20 \Omega$
3 $5 \Omega$
4 $4 \Omega$
JCECE-2004
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Magnetism and Matter

154246 The radius of the coil of a TG which has 10 turns is $0.1 \mathrm{~m}$. The current required to produce a deflection of $60^{\circ}\left(B_{h}=4 \times 10^{-5} \mathrm{~T}\right)$ is:

1 $3 \mathrm{~A}$
2 $1.1 \mathrm{~A}$
3 $2.1 \mathrm{~A}$
4 $1.5 \mathrm{~A}$
5 $2.6 \mathrm{~A}$
Kerala CEE 2004
Magnetism and Matter

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

1 $8.1 \%$
2 $10.1 \%$
3 $11.1 \%$
4 $9.1 \%$
JCECE-2015
Magnetism and Matter

154248 A galvanometer coil has a resistance of $15 \Omega$ and gives full scale deflection for a current of 4 $m A$. To convert it to an ammeter of range 0 to $6 \mathrm{~A}$

1 $10 \mathrm{~m} \Omega$ resistance is to be connected in parallel to the galvanometer
2 $10 \mathrm{~m} \Omega$ resistance is to be connected in series with the galvanometer
3 $0.1 \Omega$ resistance is to be connected in parallel to the galvanometer
4 $0.1 \Omega$ resistance is to be connected in series with the galvanometer
JCECE-2009
Magnetism and Matter

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

1 $20 \Omega$
2 $2 \Omega$
3 $0.2 \Omega$
4 $2 \mathrm{k} \Omega$
JCECE-2008
Magnetism and Matter

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

1 $120 \Omega$
2 $20 \Omega$
3 $5 \Omega$
4 $4 \Omega$
JCECE-2004
For More Updates join with Us
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Magnetism and Matter

154246 The radius of the coil of a TG which has 10 turns is $0.1 \mathrm{~m}$. The current required to produce a deflection of $60^{\circ}\left(B_{h}=4 \times 10^{-5} \mathrm{~T}\right)$ is:

1 $3 \mathrm{~A}$
2 $1.1 \mathrm{~A}$
3 $2.1 \mathrm{~A}$
4 $1.5 \mathrm{~A}$
5 $2.6 \mathrm{~A}$
Kerala CEE 2004
Magnetism and Matter

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

1 $8.1 \%$
2 $10.1 \%$
3 $11.1 \%$
4 $9.1 \%$
JCECE-2015
Magnetism and Matter

154248 A galvanometer coil has a resistance of $15 \Omega$ and gives full scale deflection for a current of 4 $m A$. To convert it to an ammeter of range 0 to $6 \mathrm{~A}$

1 $10 \mathrm{~m} \Omega$ resistance is to be connected in parallel to the galvanometer
2 $10 \mathrm{~m} \Omega$ resistance is to be connected in series with the galvanometer
3 $0.1 \Omega$ resistance is to be connected in parallel to the galvanometer
4 $0.1 \Omega$ resistance is to be connected in series with the galvanometer
JCECE-2009
Magnetism and Matter

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

1 $20 \Omega$
2 $2 \Omega$
3 $0.2 \Omega$
4 $2 \mathrm{k} \Omega$
JCECE-2008
Magnetism and Matter

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

1 $120 \Omega$
2 $20 \Omega$
3 $5 \Omega$
4 $4 \Omega$
JCECE-2004
NEET DIGITAL LIBRARY
Magnetism and Matter

154246 The radius of the coil of a TG which has 10 turns is $0.1 \mathrm{~m}$. The current required to produce a deflection of $60^{\circ}\left(B_{h}=4 \times 10^{-5} \mathrm{~T}\right)$ is:

1 $3 \mathrm{~A}$
2 $1.1 \mathrm{~A}$
3 $2.1 \mathrm{~A}$
4 $1.5 \mathrm{~A}$
5 $2.6 \mathrm{~A}$
Kerala CEE 2004
Magnetism and Matter

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

1 $8.1 \%$
2 $10.1 \%$
3 $11.1 \%$
4 $9.1 \%$
JCECE-2015
Magnetism and Matter

154248 A galvanometer coil has a resistance of $15 \Omega$ and gives full scale deflection for a current of 4 $m A$. To convert it to an ammeter of range 0 to $6 \mathrm{~A}$

1 $10 \mathrm{~m} \Omega$ resistance is to be connected in parallel to the galvanometer
2 $10 \mathrm{~m} \Omega$ resistance is to be connected in series with the galvanometer
3 $0.1 \Omega$ resistance is to be connected in parallel to the galvanometer
4 $0.1 \Omega$ resistance is to be connected in series with the galvanometer
JCECE-2009
Magnetism and Matter

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

1 $20 \Omega$
2 $2 \Omega$
3 $0.2 \Omega$
4 $2 \mathrm{k} \Omega$
JCECE-2008
Magnetism and Matter

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

1 $120 \Omega$
2 $20 \Omega$
3 $5 \Omega$
4 $4 \Omega$
JCECE-2004