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Physics (AS & A Level) · May / June 2021 · Paper 11 · Question 11

9702Uniform electric fields

A charged oil drop is held stationary between two charged parallel plates. Which forces act on the oil drop?

  1. Aboth electric and gravitational
  2. Belectric only
  3. Cgravitational only
  4. Dneither electric nor gravitational

As printed in the paper

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Correct answer: A. both electric and gravitational

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