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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 (a) qEy 2 (b) qE 2 Y (c) qEy (d) q 2 Ey



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


        (a)    qEy2


        (b)    qE2Y


        (c)    qEy  


(d)    q2 Ey


Grade:11

2 Answers

Amit Saxena
35 Points
8 years ago

(c)

K.E. = Force x distance = qE.y

Rishi Sharma
askIITians Faculty 646 Points
2 years ago
Dear Student,
Please find below the solution to your problem.

K.E acquired = work done
= force× distance
=qE×y
=qEy

Thanks and Regards

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