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Physics (AS & A Level) · May / June 2022 · Paper 11 · Question 32

9702Potential difference and power

What is the definition of the potential difference (p.d.) across a component?

  1. Athe electrical power supplied to the component
  2. Bthe energy transferred to the component per unit charge
  3. Cthe product of the current in the component and its resistance
  4. Dthe voltage across the component

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Correct answer: B. the energy transferred to the component per unit charge

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