A magnetic field can never change the speed of a particle. true /false

Question

Question

Answer 1

Answer #1

Sol::

TRUE

Magnetic field doesn’t affect the speed , as the magnetic field applies a force PERPENDICULAR to velocity.

Therefore, the force cant be to do work on the particle. So, particle can’t change its kinetic energy. That's the reason it can not change the speed.

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Answer 2

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