A charged particle of charge and mass is released from rest in a uniform electric field

PHYSICS · Single correct · CBSE · Physics · Electric Charges and Fields · Electric Charges and Fields

Problem

A charged particle of charge

q

and mass

m

is released from rest in a uniform electric field

E

. Neglecting the effect of gravity, the kinetic energy of the charged particle after time

t

seconds is (a)

\frac{Eqm}{t}

(b)

\frac{E^2 q^2 t^2}{2m}

(c)

\frac{2E^2 t^2}{mq}

(d)

\frac{Eq^2 m}{2t^2}