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Question: Answered & Verified by Expert
If a unit positive charge is taken from one point to another over an equipotential surface, then
PhysicsElectrostaticsAIIMSAIIMS 2001
Options:
  • A work is done on the charge
  • B work is done by the charge
  • C work done is constant
  • D no work is done.
Solution:
1740 Upvotes Verified Answer
The correct answer is: no work is done.
Since the potential at each point of an equipotential surface is the same, the potential does not change while we move a unit positive charge from one point to another. Therefore work done in the process is zero.

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