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

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