A particle of 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-
A. qE2y
B. q2Ey
C. qEy2
D. qEy
Answer:D
A particle of 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-
A. qE2y B. q2Ey C. qEy2 D. qEy