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Physics (AS & A Level) · May / June 2017 · Paper 11 · Question 33

9702Potential difference and power

Which values of current and resistance will produce a rate of energy transfer of 16 J s–1?

  1. Acurrent 1 A, resistance 4 Ω
  2. Bcurrent 2 A, resistance 8 Ω
  3. Ccurrent 4 A, resistance 1 Ω
  4. Dcurrent 16 A, resistance 1 Ω

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Correct answer: C. current 4 A, resistance 1 Ω

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