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Physics (AS & A Level) · May / June 2021 · Paper 12 · Question 38

9702Potential dividers

Two resistors are connected in series with a 6.0 V power supply, as shown. [circuit diagram: +6.0 V, 0 V, 12 kΩ, R] What is the resistance of the variable resistor R to give a potential difference of 1.0 V across the 12 kΩ resistor?

  1. A2.0 kΩ
  2. B10 kΩ
  3. C60 kΩ
  4. D72 kΩ

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Correct answer: C. 60 kΩ

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