Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

PHY 114 > Chot 6 Magnetism > Flashcards

Chot 6 Magnetism Flashcards

1
Q

QUESTION

A

OPTION 1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q
  1. What is the primary principle behind the operation of a simple compass? (A. Electric currents generate magnetic fields, B. Freely suspended bar magnets align with the Earth’s magnetic field, C. Magnetic monopoles exist in isolated forms, D. Magnetic field lines never intersect)
A

Answer: B. Freely suspended bar magnets align with the Earth’s magnetic field.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q
  1. What are the regions of a magnet where its magnetic effect is strongest? (A. Equatorial regions, B. Poles, C. Surface area, D. Center)
A

Answer: B. Poles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q
  1. If a bar magnet is broken into two pieces, what happens to its poles? (A. Only one piece retains the poles, B. Each piece forms new north and south poles, C. Poles disappear, D. Magnetic strength diminishes completely)
A

Answer: B. Each piece forms new north and south poles.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q
  1. What happens when like poles of two magnets are brought close together? (A. They attract, B. They repel, C. They form a monopole, D. They lose magnetism)
A

Answer: B. They repel.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q
  1. What is the direction of magnetic field lines around a bar magnet? (A. From the north pole to the south pole, B. From the south pole to the north pole, C. Randomly oriented, D. They do not have a fixed direction)
A

Answer: A. From the north pole to the south pole.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q
  1. What happens to a compass needle near a wire carrying current? (A. It aligns tangentially to the circular magnetic field lines, B. It points north regardless of the current, C. It does not move, D. It aligns parallel to the current)
A

Answer: A. It aligns tangentially to the circular magnetic field lines.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q
  1. Who discovered the relationship between electricity and magnetism? (A. Michael Faraday, B. Hans Christian Oersted, C. James Clerk Maxwell, D. André-Marie Ampère)
A

Answer: B. Hans Christian Oersted

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q
  1. What is the SI unit of magnetic field? (A. Weber (Wb), B. Tesla (T), C. Gauss (G), D. Newton per Ampere meter (N/A·m))
A

Answer: B. Tesla (T)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q
  1. What does the right-hand rule help determine in electromagnetism? (A. The direction of the magnetic force, B. The strength of the magnetic field, C. The location of magnetic poles, D. The angle of current flow)
A

Answer: A. The direction of the magnetic force.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q
  1. What happens to the force on a current-carrying wire if the direction of the current is reversed? (A. The force doubles in magnitude, B. The force reverses direction, C. The force becomes zero, D. The force remains unchanged)
A

Answer: B. The force reverses direction.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q
  1. What is the force acting on a wire in a magnetic field dependent on? (A. The current and magnetic field strength, B. The material of the wire, C. The temperature of the wire, D. The length of the magnetic field)
A

Answer: A. The current and magnetic field strength.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q
  1. What is the direction of the magnetic force on a charged particle moving in a magnetic field? (A. Perpendicular to both the velocity and the magnetic field, B. Parallel to the magnetic field, C. Along the direction of the velocity, D. Anti-parallel to the velocity)
A

Answer: A. Perpendicular to both the velocity and the magnetic field.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q
  1. What happens if a charged particle moves parallel to a magnetic field? (A. The force on the particle is zero, B. The particle stops moving, C. The force is maximized, D. The particle changes direction)
A

Answer: A. The force on the particle is zero.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q
  1. Which equation represents the magnitude of the magnetic force on a moving charged particle? (A. , B. , C. , D. )
A

Answer: A.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q
  1. What defines the direction of magnetic field lines at any point? (A. The direction the north pole of a compass needle points, B. The direction the south pole of a compass needle points, C. Random orientation, D. It cannot be determined)
A

Answer: A. The direction the north pole of a compass needle points.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q
  1. What is the significance of 1 Tesla (T)? (A. 1 Newton per Ampere meter, B. 1 Weber per square meter, C. 1 Gauss, D. 1 Coulomb per second)
A

Answer: B. 1 Weber per square meter.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q
  1. What is the force between two parallel current-carrying wires? (A. Attraction if currents are in the same direction, B. Repulsion if currents are in the same direction, C. No force acts between them, D. Force depends on temperature)
A

Answer: A. Attraction if currents are in the same direction.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q
  1. What is the direction of the magnetic field due to a current-carrying wire? (A. Tangential to concentric circles around the wire, B. Along the length of the wire, C. Perpendicular to the wire, D. Randomly oriented)
A

Answer: A. Tangential to concentric circles around the wire.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q
  1. What is the equation for magnetic force on a wire in a uniform field? (A. , B. , C. , D. )
A

Answer: A.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q
  1. What is the angle at which magnetic force is maximum? (A. 90°, B. 0°, C. 180°, D. 45°)
A

Answer: A. 90°.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q
  1. What is the proportionality constant in the magnetic force equation in SI units? (A. 1, B. , C. , D. 0)
A

Answer: B.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q
  1. Which scientist discovered that currents produce magnetic fields? (A. André-Marie Ampère, B. Hans Christian Oersted, C. Michael Faraday, D. James Clerk Maxwell)
A

Answer: B. Hans Christian Oersted.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q
  1. How are magnetic field lines near a current-carrying wire oriented? (A. In concentric circles, B. Radially outward, C. Along the length of the wire, D. Randomly scattered)
A

Answer: A. In concentric circles.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q
  1. What is the term for the number of magnetic field lines crossing a unit area? (A. Magnetic flux density, B. Magnetic potential, C. Magnetic flux, D. Magnetic pressure)
A

Answer: A. Magnetic flux density.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q
  1. How is a magnetic field represented mathematically? (A. , B. , C. , D. )
A

Answer: A.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q
  1. What is the force on a wire if it is parallel to the magnetic field? (A. Zero, B. Maximum, C. Half the maximum, D. Depends on the current)
A

Answer: A. Zero.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q
  1. What determines the strength of a magnetic field due to a wire? (A. The current in the wire and distance from the wire, B. The material of the wire, C. The temperature of the wire, D. The orientation of the wire)
A

Answer: A. The current in the wire and distance from the wire.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q
  1. What happens to the force when the angle between velocity and magnetic field is 0°? (A. Force is zero, B. Force is maximum, C. Force is half the maximum, D. Force becomes infinite)
A

Answer: A. Force is zero.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q
  1. What property of magnetic force prevents it from doing work on a charged particle? (A. It is always perpendicular to the velocity, B. It depends on the charge of the particle, C. It is parallel to the magnetic field, D. It acts along the velocity)
A

Answer: A. It is always perpendicular to the velocity.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q
  1. What is the typical direction of force on a current-carrying wire in a magnetic field? (A. Perpendicular to both the current and magnetic field, B. Parallel to the magnetic field, C. Anti-parallel to the current, D. Along the length of the wire)
A

Answer: A. Perpendicular to both the current and magnetic field.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q
  1. What is the direction of the magnetic force on a positively charged particle moving in a magnetic field? (a) Perpendicular to both velocity and the magnetic field, b) Along the velocity vector, c) Opposite to the magnetic field, d) Along the magnetic field direction)
A

Answer: a) Perpendicular to both velocity and the magnetic field.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q
  1. When a charged particle moves perpendicular to a uniform magnetic field, what is the shape of its path? (a) Circular, b) Linear, c) Elliptical, d) Parabolic)
A

Answer: a) Circular.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q
  1. For a particle in uniform circular motion under a magnetic force, what provides the centripetal force? (a) Magnetic force, b) Gravitational force, c) Electric force, d) Frictional force)
A

Answer: a) Magnetic force.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q
  1. The radius of the circular path of a charged particle in a magnetic field is proportional to: (a) Velocity of the particle, b) Inverse of magnetic field strength, c) Inverse of charge, d) All of the above)
A

Answer: d) All of the above.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q
  1. The pitch of a helical path of a charged particle in a magnetic field depends on: (a) Velocity parallel to the magnetic field, b) Magnetic field strength, c) Charge of the particle, d) All of the above)
A

Answer: d) All of the above.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q
  1. What is the Hall effect used to determine? (a) Charge carrier density, b) Magnetic flux, c) Electric potential difference, d) Energy of a charged particle)
A

Answer: a) Charge carrier density.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q
  1. In a Hall effect setup, the Hall voltage is directly proportional to: (a) Magnetic field strength, b) Current through the conductor, c) Width of the conductor, d) All of the above)
A

Answer: d) All of the above.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q
  1. What is the unit of the Hall coefficient? (a) , b) , c) , d) )
A

Answer: [Missing Unit – Provide the correct options.]

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q
  1. In a cyclotron, the time period of a charged particle is independent of: (a) Radius of the path, b) Mass of the particle, c) Magnetic field strength, d) Charge of the particle)
A

Answer: a) Radius of the path.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q
  1. The magnetic dipole moment of a rectangular current-carrying loop is given by: (a) , b) , c) , d) )
A

Answer: [Missing formula – Provide the correct options.]

42
Q
  1. What determines the torque acting on a current loop in a magnetic field? (a) Magnetic dipole moment and field strength, b) Velocity and magnetic flux, c) Current and resistance, d) Length of the loop)
A

Answer: a) Magnetic dipole moment and field strength.

43
Q
  1. Which of the following is NOT a property of magnetic force on a charged particle? (a) It does no work on the particle, b) It changes the speed of the particle, c) It changes the direction of the particle, d) It is perpendicular to the magnetic field)
A

Answer: b) It changes the speed of the particle.

44
Q
  1. The energy acquired by a charged particle accelerated through a potential difference is: (a) , b) , c) , d) )
A

Answer: [Missing formula – Provide the correct options.]

45
Q
  1. The phenomenon where the magnetic field exerts a force on moving charges causing a voltage across the conductor is called: (a) Hall effect, b) Cyclotron resonance, c) Magnetic flux linkage, d) Lorentz effect)
A

Answer: a) Hall effect.

46
Q
  1. The velocity of an electron moving in a helical path in a magnetic field has components: (a) Parallel and perpendicular to the field, b) Only parallel to the field, c) Only perpendicular to the field, d) Along the radius of curvature)
A

Answer: a) Parallel and perpendicular to the field.

47
Q
  1. The centripetal force required for circular motion in a magnetic field is given by: (a) , b) , c) , d) )
A

Answer: [Missing formula – Provide the correct options.]

48
Q
  1. In a cyclotron, the energy of the particle after revolutions is: (a) , b) , c) , d) )
A

Answer: [Missing formula – Provide the correct options.]

49
Q
  1. A rectangular loop in a magnetic field experiences a torque when: (a) The plane of the loop is not parallel to the field, b) The field is non-uniform, c) The loop is stationary, d) The current in the loop is zero)
A

Answer: a) The plane of the loop is not parallel to the field.

50
Q
  1. The Hall voltage is maximum when the conductor is: (a) Perpendicular to the magnetic field, b) Parallel to the magnetic field, c) Inclined at 45° to the magnetic field, d) Moving in the direction of current)
A

Answer: a) Perpendicular to the magnetic field.

51
Q
  1. (If , what does the cross product signify? A) Force is perpendicular to both and . B) Force is parallel to . C) Force is along . D) Force is zero.)
A

Answer: A) Force is perpendicular to both and .

52
Q
  1. (For a charged particle in a uniform magnetic field, the path is circular because: A) The magnetic force acts as the centripetal force. B) The magnetic field stops the particle. C) The velocity aligns with the field. D) The particle accelerates uniformly.)
A

Answer: A) The magnetic force acts as the centripetal force.

53
Q
  1. (What happens to the direction of the magnetic force when the charge is negative? A) It reverses direction compared to a positive charge. B) It remains the same. C) It doubles in magnitude. D) It becomes zero.)
A

Answer: A) It reverses direction compared to a positive charge.

54
Q
  1. (The pitch of a helical path of a charged particle in a magnetic field depends on: A) The parallel component of velocity. B) The perpendicular component of velocity. C) The magnitude of the magnetic field only. D) The mass of the particle only.)
A

Answer: A) The parallel component of velocity.

55
Q
  1. (The Hall voltage is directly proportional to: A) Magnetic field strength and current. B) Width of the conductor only. C) Mass of the charge carrier. D) Time period of motion.)
A

Answer: A) Magnetic field strength and current.

56
Q
  1. (For a proton in a magnetic field, the kinetic energy is related to the radius of the circular path as: A) [Missing Formula]. B) [Missing Formula]. C) [Missing Formula]. D) [Missing Formula].)
A

Answer: [Formula to be provided.]

57
Q
  1. (What happens to the radius of a particle’s path if the magnetic field strength is doubled? A) It is halved. B) It doubles. C) It remains unchanged. D) It becomes zero.)
A

Answer: A) It is halved.

58
Q
  1. (The cyclotron frequency depends on: A) The charge-to-mass ratio of the particle. B) The speed of the particle. C) The radius of the path. D) The time.)
A

Answer: A) The charge-to-mass ratio of the particle.

59
Q
  1. (What does the cross product in signify? A) Force is perpendicular to both and . B) Force is parallel to . C) Force is along . D) Force is zero.)
A

Answer: A) Force is perpendicular to both and .

60
Q
  1. (For a charged particle in a uniform magnetic field, the path is circular because: A) The magnetic force acts as the centripetal force. B) The magnetic field stops the particle. C) The velocity aligns with the field. D) The particle accelerates uniformly.)
A

Answer: A) The magnetic force acts as the centripetal force.

61
Q
  1. (What happens to the direction of the magnetic force when the charge is negative? A) It reverses direction compared to a positive charge. B) It remains the same. C) It doubles in magnitude. D) It becomes zero.)
A

Answer: A) It reverses direction compared to a positive charge.

62
Q
  1. (The pitch of a helical path of a charged particle in a magnetic field depends on: A) The parallel component of velocity. B) The perpendicular component of velocity. C) The magnitude of the magnetic field only. D) The mass of the particle only.)
A

Answer: A) The parallel component of velocity.

63
Q
  1. (What is the condition for charges to move without deflection in the Hall effect? A) The electric and magnetic forces balance each other. B) Only magnetic forces act on the charge. C) The charge is stationary. D) The electric force is stronger than the magnetic force.)
A

Answer: A) The electric and magnetic forces balance each other.

64
Q
  1. (The Hall voltage is directly proportional to: A) Magnetic field strength and current. B) Width of the conductor only. C) Mass of the charge carrier. D) Time period of motion.)
A

Answer: A) Magnetic field strength and current.

65
Q
  1. (In a Hall effect experiment, the Hall coefficient depends on: A) The type of charge carriers. B) The strength of the magnetic field. C) The mass of the conductor. D) The length of the conductor.)
A

Answer: A) The type of charge carriers.

66
Q
  1. (In a cyclotron, the particles move in a spiral path because: A) Their energy increases with each cycle. B) The magnetic field weakens. C) They lose energy. D) They are in a straight path.)
A

Answer: A) Their energy increases with each cycle.

67
Q
  1. (The torque on a current loop in a magnetic field depends on: A) The orientation of the loop relative to the field. B) The temperature of the loop. C) The resistance of the wire. D) The size of the magnetic field alone.)
A

Answer: A) The orientation of the loop relative to the field.

68
Q
  1. (The magnetic dipole moment of a current loop is directly proportional to: A) The current and the area of the loop. B) The magnetic field strength. C) The speed of electrons in the loop. D) The length of the loop.)
A

Answer: A) The current and the area of the loop.

69
Q
  1. (For a proton in a magnetic field, what determines the radius of the circular path? A) The particle’s mass, velocity, and the magnetic field strength. B) The size of the proton. C) The strength of the electric field. D) The type of material in the field.)
A

Answer: A) The particle’s mass, velocity, and the magnetic field strength.

70
Q
  1. (What happens to the radius of a particle’s path if the magnetic field strength is doubled? A) It is halved. B) It doubles. C) It remains unchanged. D) It becomes zero.)
A

Answer: A) It is halved.

71
Q
  1. (What is the primary function of a galvanometer? A) To measure current B) To measure temperature C) To measure voltage D) To measure resistance)
A

Answer: A) To measure current

72
Q
  1. (The torque on a current loop in a magnetic field is proportional to: A) The number of turns in the coil and the current passing through it B) The area of the coil C) The strength of the electric field D) The mass of the coil)
A

Answer: A) The number of turns in the coil and the current passing through it

73
Q
  1. (In a galvanometer, what does the spring do? A) It balances the torque exerted by the magnetic field B) It increases the current in the circuit C) It powers the magnetic field D) It converts the current into mechanical energy)
A

Answer: A) It balances the torque exerted by the magnetic field

74
Q
  1. (The main operating mechanism of most ammeters and voltmeters is: A) A galvanometer B) A motor C) A transformer D) A battery)
A

Answer: A) A galvanometer

75
Q
  1. (The torque on a rotating coil in a magnetic field is directly related to: A) The current and the magnetic field strength B) The size of the coil C) The temperature of the coil D) The speed of rotation)
A

Answer: A) The current and the magnetic field strength

76
Q
  1. (What is the function of a commutator in a motor? A) To reverse the current direction B) To increase the speed of rotation C) To provide energy to the motor D) To measure the current)
A

Answer: A) To reverse the current direction

77
Q
  1. (A motor works on the same principle as which device? A) A galvanometer B) A resistor C) A capacitor D) A transformer)
A

Answer: A) A galvanometer

78
Q
  1. (In an electric motor, the current is supplied to the rotating coil by: A) Commutators and brushes B) A battery C) A capacitor D) A switch)
A

Answer: A) Commutators and brushes

79
Q
  1. (The angle of declination refers to: A) The angle between magnetic north and true north B) The angle between the horizontal and vertical magnetic fields C) The angle between two magnetic fields D) The angle between the magnetic poles)
A

Answer: A) The angle between magnetic north and true north

80
Q
  1. (The Earth’s magnetic field is strongest at: A) The magnetic poles B) The equator C) The magnetic equator D) The geographical poles)
A

Answer: A) The magnetic poles

81
Q
  1. (What is the magnetic declination? A) The difference between magnetic north and true north B) The strength of the Earth’s magnetic field C) The vertical component of Earth’s magnetic field D) The angle of dip at a given location)
A

Answer: A) The difference between magnetic north and true north

82
Q
  1. (What is the angle of dip? A) The angle between the Earth’s surface and the magnetic field lines B) The angle between the horizontal and vertical magnetic field components C) The angle between magnetic north and true north D) The angle between the Earth’s magnetic field and the equator)
A

Answer: A) The angle between the Earth’s surface and the magnetic field lines

83
Q
  1. (A neutral point in the magnetic field occurs when: A) The resultant magnetic flux density is zero B) The magnetic field strength is at its maximum C) The magnetic poles are aligned D) The compass needle points in all directions)
A

Answer: A) The resultant magnetic flux density is zero

84
Q
  1. (What is the primary cause of Earth’s magnetism? A) The movement of molten iron in the Earth’s core B) The alignment of Earth’s axis with the magnetic poles C) The Earth’s rotation D) The Earth’s gravitational pull)
A

Answer: A) The movement of molten iron in the Earth’s core

85
Q
  1. (The horizontal component of Earth’s magnetic field is denoted by: A) [Missing Option] B) [Missing Option] C) [Missing Option] D) [Missing Option])
A

Answer: [To be provided]

86
Q
  1. (When a charged particle moves through a magnetic field, it experiences: A) A force perpendicular to its velocity and the magnetic field B) A force in the direction of its velocity C) A force that increases its speed D) No force at all)
A

Answer: A) A force perpendicular to its velocity and the magnetic field

87
Q
  1. (What is the SI unit of magnetic field strength? A) Tesla B) Ampere C) Volt D) Gauss)
A

Answer: A) Tesla

88
Q
  1. (The magnetic flux around a bar magnet is: A) Strong near the poles and weakens with distance B) Uniform throughout the magnet C) Strongest at the equator D) Only present at the neutral points)
A

Answer: A) Strong near the poles and weakens with distance

89
Q
  1. (The magnetic field produced by a moving charge is: A) Circular B) Linear C) Radial D) Uniform)
A

Answer: A) Circular

90
Q
  1. (The force on a current-carrying wire in a magnetic field is maximized when: A) The wire is perpendicular to the magnetic field B) The wire is parallel to the magnetic field C) The wire is at an angle of 45 degrees to the field D) The wire is stationary)
A

Answer: A) The wire is perpendicular to the magnetic field

91
Q
  1. (The torque experienced by a current loop in a magnetic field is given by: A) [Missing Formula] B) [Missing Formula] C) [Missing Formula] D) [Missing Formula])
A

Answer: [Formula to be provided]

92
Q
  1. (The Earth’s magnetic field makes an angle of dip at the poles of: A) 90 degrees B) 45 degrees C) 60 degrees D) 0 degrees)
A

Answer: A) 90 degrees

93
Q
  1. (The principle behind the operation of a cyclotron is based on: A) The motion of charged particles in a magnetic field B) The motion of charged particles in an electric field C) The deflection of charged particles in a gravitational field D) The rotation of the magnetic field)
A

Answer: A) The motion of charged particles in a magnetic field

94
Q
  1. (The horizontal component of Earth’s magnetic field can be measured using a: A) Compass B) Ammeter C) Voltometer D) Galvanometer)
A

Answer: A) Compass

95
Q
  1. (The commutator in an electric motor is used to: A) Reverse the current direction B) Increase the voltage C) Provide mechanical support D) Measure the current)
A

Answer: A) Reverse the current direction

96
Q
  1. (The torque on a current-carrying coil in a magnetic field depends on: A) The current, the number of turns, and the magnetic field strength B) The length of the coil only C) The radius of the coil only D) The temperature of the coil)
A

Answer: A) The current, the number of turns, and the magnetic field strength

97
Q
  1. (The magnetic field around the Earth is generated by: A) The motion of electrically conductive materials in the core B) The Earth’s rotation C) The Earth’s gravitational field D) The Earth’s magnetic poles)
A

Answer: A) The motion of electrically conductive materials in the core

98
Q
  1. (The force on a charged particle in a magnetic field is given by: A) [Missing Formula] B) [Missing Formula] C) [Missing Formula] D) [Missing Formula])
A

Answer: [Formula to be provided]

99
Q
  1. (The magnitude of the Earth’s magnetic field at a point is affected by: A) The location on the Earth’s surface B) The time of day C) The phase of the moon D) The altitude of the location)
A

Answer: A) The location on the Earth’s surface

100
Q
  1. (The main purpose of a dip circle is to measure: A) The angle of dip B) The angle of declination C) The magnetic field strength D) The magnetic flux)
A

Answer: A) The angle of dip

PHY 114 (8 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions