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Physics (AS & A Level) · May / June 2025 · Paper 14 · Question 35

9702Kirchhoff’s laws

A battery of electromotive force (e.m.f.) 6.0 V and negligible internal resistance is connected to three resistors, as shown. The current in the battery is 0.12 A. What is resistance R?

  1. A12 Ω
  2. B30 Ω
  3. C50 Ω
  4. D60 Ω

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Correct answer: B. 30 Ω

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