153120
The presence of magnetic field can be determined using which one of the following instruments?
1 Ammeter
2 Voltmeter
3 Magnetic needle
4 Motor
Explanation:
C A compass or magnetic needle is an instrument that is used to find the magnetic field direction. A compass comprises a small metal needle that is magnified itself and which is easy to turn in all directions. The presence of magnetic field at a point can be detected by a compass needle. In the presence of compass only in the direction of magnetic field and in the absence of any magnetic field, the needle of the compass can rest in any direction.
UPSC NDA-04.09.2022
Moving Charges & Magnetism
153142
In which of the following case no force exerted by a magnetic field on a charge ?
1 Moving with constant velocity
2 Moving in a circle
3 At rest
4 Moving along a curved path
Explanation:
C $\mathrm{F}_{\mathrm{B}}=\mathrm{q}(\overrightarrow{\mathrm{V}} \times \overrightarrow{\mathrm{B}})$ $\text { If } \quad \mathrm{V}=0, \quad \mathrm{~F}_{\mathrm{B}}=0$
AP EAMCET-19.08.2021
Moving Charges & Magnetism
153153
Magnetic lines of force due to a current in a circular conductor are
1 parallel to the plane of the coil
2 perpendicular to the plane of the coil at the center only
3 perpendicular to the plane of the coil everywhere
4 zero
Explanation:
B Magnetic lines of forces due to a current in a circular conductor are perpendicular to the plane of the coil at the center only. Fleming's right hand thumb rule is used to determine the direction of magnetic field produced due to current carrying circular conductor.
AP EAMCET-07.10.2020
Moving Charges & Magnetism
153163
A magnetic needle kept in a non-uniform magnetic field, experiences
1 force but not a torque
2 neither a force nor torque
3 both force and torque
4 a torque but not force
Explanation:
C A magnetic needle is kept in a non-uniform magnetic field, it will experience force and torque both due to unequal force acting on the polls.
TS EAMCET 28.09.2020
Moving Charges & Magnetism
153173
A moving electric charge produces
1 electric and magnetic fields
2 only the electric field
3 only the magnetic field
4 None of the above
Explanation:
A A moving electric charge produces both electric and magnetic fields.
153120
The presence of magnetic field can be determined using which one of the following instruments?
1 Ammeter
2 Voltmeter
3 Magnetic needle
4 Motor
Explanation:
C A compass or magnetic needle is an instrument that is used to find the magnetic field direction. A compass comprises a small metal needle that is magnified itself and which is easy to turn in all directions. The presence of magnetic field at a point can be detected by a compass needle. In the presence of compass only in the direction of magnetic field and in the absence of any magnetic field, the needle of the compass can rest in any direction.
UPSC NDA-04.09.2022
Moving Charges & Magnetism
153142
In which of the following case no force exerted by a magnetic field on a charge ?
1 Moving with constant velocity
2 Moving in a circle
3 At rest
4 Moving along a curved path
Explanation:
C $\mathrm{F}_{\mathrm{B}}=\mathrm{q}(\overrightarrow{\mathrm{V}} \times \overrightarrow{\mathrm{B}})$ $\text { If } \quad \mathrm{V}=0, \quad \mathrm{~F}_{\mathrm{B}}=0$
AP EAMCET-19.08.2021
Moving Charges & Magnetism
153153
Magnetic lines of force due to a current in a circular conductor are
1 parallel to the plane of the coil
2 perpendicular to the plane of the coil at the center only
3 perpendicular to the plane of the coil everywhere
4 zero
Explanation:
B Magnetic lines of forces due to a current in a circular conductor are perpendicular to the plane of the coil at the center only. Fleming's right hand thumb rule is used to determine the direction of magnetic field produced due to current carrying circular conductor.
AP EAMCET-07.10.2020
Moving Charges & Magnetism
153163
A magnetic needle kept in a non-uniform magnetic field, experiences
1 force but not a torque
2 neither a force nor torque
3 both force and torque
4 a torque but not force
Explanation:
C A magnetic needle is kept in a non-uniform magnetic field, it will experience force and torque both due to unequal force acting on the polls.
TS EAMCET 28.09.2020
Moving Charges & Magnetism
153173
A moving electric charge produces
1 electric and magnetic fields
2 only the electric field
3 only the magnetic field
4 None of the above
Explanation:
A A moving electric charge produces both electric and magnetic fields.
153120
The presence of magnetic field can be determined using which one of the following instruments?
1 Ammeter
2 Voltmeter
3 Magnetic needle
4 Motor
Explanation:
C A compass or magnetic needle is an instrument that is used to find the magnetic field direction. A compass comprises a small metal needle that is magnified itself and which is easy to turn in all directions. The presence of magnetic field at a point can be detected by a compass needle. In the presence of compass only in the direction of magnetic field and in the absence of any magnetic field, the needle of the compass can rest in any direction.
UPSC NDA-04.09.2022
Moving Charges & Magnetism
153142
In which of the following case no force exerted by a magnetic field on a charge ?
1 Moving with constant velocity
2 Moving in a circle
3 At rest
4 Moving along a curved path
Explanation:
C $\mathrm{F}_{\mathrm{B}}=\mathrm{q}(\overrightarrow{\mathrm{V}} \times \overrightarrow{\mathrm{B}})$ $\text { If } \quad \mathrm{V}=0, \quad \mathrm{~F}_{\mathrm{B}}=0$
AP EAMCET-19.08.2021
Moving Charges & Magnetism
153153
Magnetic lines of force due to a current in a circular conductor are
1 parallel to the plane of the coil
2 perpendicular to the plane of the coil at the center only
3 perpendicular to the plane of the coil everywhere
4 zero
Explanation:
B Magnetic lines of forces due to a current in a circular conductor are perpendicular to the plane of the coil at the center only. Fleming's right hand thumb rule is used to determine the direction of magnetic field produced due to current carrying circular conductor.
AP EAMCET-07.10.2020
Moving Charges & Magnetism
153163
A magnetic needle kept in a non-uniform magnetic field, experiences
1 force but not a torque
2 neither a force nor torque
3 both force and torque
4 a torque but not force
Explanation:
C A magnetic needle is kept in a non-uniform magnetic field, it will experience force and torque both due to unequal force acting on the polls.
TS EAMCET 28.09.2020
Moving Charges & Magnetism
153173
A moving electric charge produces
1 electric and magnetic fields
2 only the electric field
3 only the magnetic field
4 None of the above
Explanation:
A A moving electric charge produces both electric and magnetic fields.
NEET Test Series from KOTA - 10 Papers In MS WORD
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Moving Charges & Magnetism
153120
The presence of magnetic field can be determined using which one of the following instruments?
1 Ammeter
2 Voltmeter
3 Magnetic needle
4 Motor
Explanation:
C A compass or magnetic needle is an instrument that is used to find the magnetic field direction. A compass comprises a small metal needle that is magnified itself and which is easy to turn in all directions. The presence of magnetic field at a point can be detected by a compass needle. In the presence of compass only in the direction of magnetic field and in the absence of any magnetic field, the needle of the compass can rest in any direction.
UPSC NDA-04.09.2022
Moving Charges & Magnetism
153142
In which of the following case no force exerted by a magnetic field on a charge ?
1 Moving with constant velocity
2 Moving in a circle
3 At rest
4 Moving along a curved path
Explanation:
C $\mathrm{F}_{\mathrm{B}}=\mathrm{q}(\overrightarrow{\mathrm{V}} \times \overrightarrow{\mathrm{B}})$ $\text { If } \quad \mathrm{V}=0, \quad \mathrm{~F}_{\mathrm{B}}=0$
AP EAMCET-19.08.2021
Moving Charges & Magnetism
153153
Magnetic lines of force due to a current in a circular conductor are
1 parallel to the plane of the coil
2 perpendicular to the plane of the coil at the center only
3 perpendicular to the plane of the coil everywhere
4 zero
Explanation:
B Magnetic lines of forces due to a current in a circular conductor are perpendicular to the plane of the coil at the center only. Fleming's right hand thumb rule is used to determine the direction of magnetic field produced due to current carrying circular conductor.
AP EAMCET-07.10.2020
Moving Charges & Magnetism
153163
A magnetic needle kept in a non-uniform magnetic field, experiences
1 force but not a torque
2 neither a force nor torque
3 both force and torque
4 a torque but not force
Explanation:
C A magnetic needle is kept in a non-uniform magnetic field, it will experience force and torque both due to unequal force acting on the polls.
TS EAMCET 28.09.2020
Moving Charges & Magnetism
153173
A moving electric charge produces
1 electric and magnetic fields
2 only the electric field
3 only the magnetic field
4 None of the above
Explanation:
A A moving electric charge produces both electric and magnetic fields.
153120
The presence of magnetic field can be determined using which one of the following instruments?
1 Ammeter
2 Voltmeter
3 Magnetic needle
4 Motor
Explanation:
C A compass or magnetic needle is an instrument that is used to find the magnetic field direction. A compass comprises a small metal needle that is magnified itself and which is easy to turn in all directions. The presence of magnetic field at a point can be detected by a compass needle. In the presence of compass only in the direction of magnetic field and in the absence of any magnetic field, the needle of the compass can rest in any direction.
UPSC NDA-04.09.2022
Moving Charges & Magnetism
153142
In which of the following case no force exerted by a magnetic field on a charge ?
1 Moving with constant velocity
2 Moving in a circle
3 At rest
4 Moving along a curved path
Explanation:
C $\mathrm{F}_{\mathrm{B}}=\mathrm{q}(\overrightarrow{\mathrm{V}} \times \overrightarrow{\mathrm{B}})$ $\text { If } \quad \mathrm{V}=0, \quad \mathrm{~F}_{\mathrm{B}}=0$
AP EAMCET-19.08.2021
Moving Charges & Magnetism
153153
Magnetic lines of force due to a current in a circular conductor are
1 parallel to the plane of the coil
2 perpendicular to the plane of the coil at the center only
3 perpendicular to the plane of the coil everywhere
4 zero
Explanation:
B Magnetic lines of forces due to a current in a circular conductor are perpendicular to the plane of the coil at the center only. Fleming's right hand thumb rule is used to determine the direction of magnetic field produced due to current carrying circular conductor.
AP EAMCET-07.10.2020
Moving Charges & Magnetism
153163
A magnetic needle kept in a non-uniform magnetic field, experiences
1 force but not a torque
2 neither a force nor torque
3 both force and torque
4 a torque but not force
Explanation:
C A magnetic needle is kept in a non-uniform magnetic field, it will experience force and torque both due to unequal force acting on the polls.
TS EAMCET 28.09.2020
Moving Charges & Magnetism
153173
A moving electric charge produces
1 electric and magnetic fields
2 only the electric field
3 only the magnetic field
4 None of the above
Explanation:
A A moving electric charge produces both electric and magnetic fields.