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Physics · Oct / Nov 2022 · Paper 11 · Question 28

5054Electromotive force and potential difference

Which expression gives the electromotive force (e.m.f.) of a battery?

  1. Awork done × time
  2. Bwork done × charge
  3. Cwork done / time
  4. Dwork done / charge

As printed in the paper

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Correct answer: D. work done / charge

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