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Electrostatic Potential And Capacitance

Question
CBSEENPH12037435

A particle of mass m and charge q is placed at rest in uniform electric field of intensity ε and then released. The kinetic energy attained by the particle after moving a distance y is
  • qEy2
  • qE2y
  • qEy
  • q2Ey

Solution

C.

qEy

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