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Questions and Answers
What is the relationship between the magnetic field and the velocity of a moving charge?
What is the relationship between the magnetic field and the velocity of a moving charge?
- The magnetic field is inversely proportional to the velocity of the moving charge
- The magnetic field is directly proportional to the velocity of the moving charge (correct)
- The magnetic field is proportional to the square of the velocity of the moving charge
- The magnetic field is independent of the velocity of the moving charge
In which direction does the force act on a positively charged particle moving in a magnetic field?
In which direction does the force act on a positively charged particle moving in a magnetic field?
- Parallel to the direction of the magnetic field
- Perpendicular to the direction of the magnetic field (correct)
- Opposite to the direction of the magnetic field
- Independent of the direction of the magnetic field
What happens to the path of a charged particle when it enters a uniform magnetic field?
What happens to the path of a charged particle when it enters a uniform magnetic field?
- It moves in a circular path (correct)
- It continues in a straight line
- It forms a helical path
- It spirals outward from the magnetic field
A positively charged particle moving in a magnetic field will always experience a force perpendicular to both its velocity and the magnetic field.
A positively charged particle moving in a magnetic field will always experience a force perpendicular to both its velocity and the magnetic field.
The force experienced by a charged particle moving in a magnetic field can be zero.
The force experienced by a charged particle moving in a magnetic field can be zero.
The magnetic force on a moving charge is independent of the charge's speed.
The magnetic force on a moving charge is independent of the charge's speed.
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Study Notes
Magnetic Field and Moving Charge
- The magnetic field and the velocity of a moving charge are related, with the force experienced by the charge depending on both factors.
Force Direction
- A positively charged particle moving in a magnetic field will experience a force acting in a direction perpendicular to both its velocity and the magnetic field.
Path of a Charged Particle
- When a charged particle enters a uniform magnetic field, its path will be affected, with the force exerted by the magnetic field causing the particle to change direction.
Key Characteristics
- The force experienced by a charged particle moving in a magnetic field is always perpendicular to both its velocity and the magnetic field.
- The force experienced by a charged particle moving in a magnetic field can be zero, depending on the orientation of the velocity and magnetic field.
- The magnetic force on a moving charge is not dependent on the charge's speed.
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