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Physics · May / June 2023 · Paper 12 · Question 30

5054Action and use of circuit components

The circuit diagram shows a variable resistor R connected in parallel to the lower section of a potential divider. [circuit diagram] The resistance of R increases. What happens to the two voltmeter readings V1 and V2?

  1. AV1 decreases, V2 decreases
  2. BV1 decreases, V2 increases
  3. CV1 increases, V2 decreases
  4. DV1 increases, V2 increases

As printed in the paper

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Correct answer: B. V1 decreases, V2 increases

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