Question

A particle of charge and mass starts moving from the origin under the action of an electric field and with a velocity . The speed of the particle will become after a time

A

B

C

D

Hard
Updated on : 2022-09-05
Solution
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Correct option is D)


 


Hence, the path of the particle is a helix with speed remaining constant for the circular path in the plane.

Magnitude of velocity  of particle at any time   where

Given







Solve any question of Moving Charges and Magnetism with:-
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