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When a charged particle moves perpendicular to a magnetic field, then
- a)speed of the particle is changed
- b)speed of the particle remains unchanged
- c)direction of the particle remains unchanged
- d)acceleration of the particle remains unchanged
Correct answer is option 'B'. Can you explain this answer?
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When a charged particle moves perpendicular to a magnetic field, thena...
Explanation:
Perpendicular Motion of a Charged Particle in a Magnetic Field:
When a charged particle moves perpendicular to a magnetic field, the magnetic force acting on the particle will be perpendicular to both the velocity of the particle and the magnetic field.
Force Acting on the Particle:
The magnetic force acting on the particle will cause the particle to move in a circular path. The magnitude of the force is given by the formula F = qvB, where q is the charge of the particle, v is the velocity of the particle, and B is the magnetic field strength.
Speed of the Particle:
Since the force acting on the particle is always perpendicular to the velocity of the particle, it does not change the speed of the particle. The force only changes the direction of the particle's motion, causing it to move in a circular path but maintaining a constant speed.
Direction of the Particle:
The direction of the particle will change due to the magnetic force acting on it, causing it to move in a circular path perpendicular to the magnetic field.
Acceleration of the Particle:
Although the direction of the particle changes, the speed of the particle remains constant, which means there is no change in the acceleration of the particle. The particle continues to move at a constant velocity in a circular path due to the magnetic force acting on it.
Therefore, when a charged particle moves perpendicular to a magnetic field, the speed of the particle remains unchanged.
Perpendicular Motion of a Charged Particle in a Magnetic Field:
When a charged particle moves perpendicular to a magnetic field, the magnetic force acting on the particle will be perpendicular to both the velocity of the particle and the magnetic field.
Force Acting on the Particle:
The magnetic force acting on the particle will cause the particle to move in a circular path. The magnitude of the force is given by the formula F = qvB, where q is the charge of the particle, v is the velocity of the particle, and B is the magnetic field strength.
Speed of the Particle:
Since the force acting on the particle is always perpendicular to the velocity of the particle, it does not change the speed of the particle. The force only changes the direction of the particle's motion, causing it to move in a circular path but maintaining a constant speed.
Direction of the Particle:
The direction of the particle will change due to the magnetic force acting on it, causing it to move in a circular path perpendicular to the magnetic field.
Acceleration of the Particle:
Although the direction of the particle changes, the speed of the particle remains constant, which means there is no change in the acceleration of the particle. The particle continues to move at a constant velocity in a circular path due to the magnetic force acting on it.
Therefore, when a charged particle moves perpendicular to a magnetic field, the speed of the particle remains unchanged.
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When a charged particle moves perpendicular to a magnetic field, thena)speed of the particle is changedb)speed of the particle remains unchangedc)direction of the particle remains unchangedd)acceleration of the particle remains unchangedCorrect answer is option 'B'. Can you explain this answer?
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