Electrostatic Potential And Capacitance
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Electrostatic Potential And Capacitance Ques 16
16. 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
[1998]
(a) $q E y^{2}$
(b) $q E^{2} y$
(c) $q E y$
(d) $q^{2} E y$
Show Answer
Answer:
Correct Answer: 16.(c)
Solution:
- (c) K.E. $=$ Force $\times$ distance $=q E . y$
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