NEET  >  Motion of Charged Particle in Magnetic Field

# Motion of Charged Particle in Magnetic Field Video Lecture - Physics Class 12 - NEET

## Physics Class 12

154 videos|444 docs|185 tests

## FAQs on Motion of Charged Particle in Magnetic Field Video Lecture - Physics Class 12 - NEET

 1. What is the motion of a charged particle in a magnetic field?
Ans. When a charged particle moves in a magnetic field, it experiences a force perpendicular to both its velocity and the magnetic field direction. This force causes the particle to move in a curved path, known as the motion of a charged particle in a magnetic field.
 2. How is the direction of the force experienced by a charged particle determined in a magnetic field?
Ans. The direction of the force experienced by a charged particle in a magnetic field can be determined using the right-hand rule. If the thumb of the right hand points in the direction of the particle's velocity and the fingers point in the direction of the magnetic field, then the palm of the hand will point in the direction of the force.
 3. What factors affect the radius of the curved path followed by a charged particle in a magnetic field?
Ans. The radius of the curved path followed by a charged particle in a magnetic field depends on several factors, including the magnitude of the particle's charge, the magnitude of its velocity, the strength of the magnetic field, and the mass of the particle. Increasing any of these factors will result in a larger radius of the curved path.
 4. Can a charged particle move in a straight line in a magnetic field?
Ans. No, a charged particle cannot move in a straight line in a magnetic field. Due to the force experienced by the particle, it will always move in a curved path. However, if the velocity of the particle is perpendicular to the magnetic field, the curvature of the path will be so large that it will appear as a straight line within a small region.
 5. How does the speed of a charged particle affect its motion in a magnetic field?
Ans. The speed of a charged particle affects its motion in a magnetic field by determining the radius of its curved path. As the speed increases, the radius of the curved path also increases. Therefore, a faster-moving charged particle will follow a larger curved path in a magnetic field compared to a slower-moving particle with the same charge and magnetic field.

## Physics Class 12

154 videos|444 docs|185 tests

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