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NEET 1998 (AIPMT) · Motion of Charges in an Electric Field

Motion of Charges in an Electric Field question from NEET 1998 (AIPMT)

Q45NEET 1998 · AIPMTEasy

Motion of Charges in an Electric Field

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

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Answer: (c)

Work done by the field = gain in kinetic energy: $K = Fy = qEy$ .
So the answer is (c) $qEy$ .

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