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Physics (AS & A Level) · Oct / Nov 2023 · Paper 12 · Question 34

9702Practical circuits

Some resistors and a battery of electromotive force (e.m.f.) E and negligible internal resistance are connected in series, as shown. Which statement is correct?

  1. AThe e.m.f. across each resistor equals the potential difference across the battery.
  2. BThe potential difference across each resistor equals the e.m.f. E of the battery.
  3. CThe sum of the e.m.f.s across the resistors equals the potential difference across the battery.
  4. DThe sum of the potential differences across the resistors equals the e.m.f. E of the battery.

As printed in the paper

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Correct answer: D. The sum of the potential differences across the resistors equals the e.m.f. E of the battery.

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