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A charged particle of mass m and charge ...

A charged particle of mass `m` and charge `q` is released from rest in a uniform electric field E. Neglecting the effect of gravity, the kinetic energy of the charged particle after `t` second is

A

`(Eqm)/t`

B

`(E^2q^2t^2)/(2m)`

C

`(2E^2t^2)/(mg)`

D

`(Eq^2m)/(2t^2)`.

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