Physics Moving Charge and Magnetism Motion of Charged Particle In Magnetic Field MCQ (Single Correct)

For a charged particle moving through a magnetic field perpendicular to its direction,

A
the momentum changes but the kinetic energy is constant
B
both momentum and kinetic energy of the particle are not constant
C
both momentum and kinetic energy of the particle are constant
D
kinetic energy changes but the momentum is constant

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Text Solution

Verified by Experts
The correct answer is:
A

When a charged particle enters perpendicularly in magnetic field, it expenses force. Its speed does not change but velocity changes (as the direction changes)
remains constant while momentum changes.

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