Electrostatics Question 384

Question: A particle of mass $ m $ and charge $ q $ is placed at rest in a uniform electric field $ E $ and then released. The kinetic energy attained by the particle after moving a distance $ y $ is [CBSE PMT 1998; Kerala PMT 2005]

Options:

A) $ qEy^{2} $

B) $ qE^{2}y $

C) $ qEy $

D) $ q^{2}Ey $

Show Answer

Answer:

Correct Answer: C

Solution:

Kinetic energy = Force x Displacement = qEy



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