question_answer

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]

A)                    \[qE{{y}^{2}}\]

B)                                      \[q{{E}^{2}}y\]

C)                    \[qEy\]

D)                                      \[{{q}^{2}}Ey\]