A charged particle of mass \( m \) and charge \( q \) is released f... VIDEO
A charged particle of mass \( m \) and charge \( q \) is released from rest in uniform electric field \( E \).
\( \mathrm{P} \) Neglecting the effect of gravity, the kinetic energy
W of the charged particle after \( t \) second is:
(1) \( \frac{E q^{2} M}{2 t^{2}} \)
(2) \( \frac{2 E^{2} t^{2}}{m q} \)
(3) \( \frac{E^{2} q^{2} t^{2}}{2 m} \)
(4) \( \frac{E q m}{t} \)
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