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Physics · Oct / Nov 2023 · Paper 11 · Question 27

5054Uses of electricity

The current in an electric motor is 2.0 A. It transfers 20 J of energy in 5.0 s. What is the potential difference (p.d.) across the motor?

  1. A0.50 V
  2. B2.0 V
  3. C8.0 V
  4. D50 V

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Correct answer: B. 2.0 V

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