O-LevelPhysicsElectricity5054/11 · May/June 2018 · Q351 Mark

The circuit diagram shows a variable resistor R connected in parallel to the lower half of a potential divider. The resistance of R increases. What happens to the two voltmeter readings?

This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.

AV₁: decreases, V₂: decreases

BV₁: decreases, V₂: increases

CV₁: increases, V₂: decreases

DV₁: increases, V₂: increases

✓ Correct answer

B: V₁: decreases, V₂: increases

Oracle Prep sorts past-paper questions by topic, so you can drill Electricity and see which topics are most likely to come up next.

Topic: Electricity, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, May/June 2018 Paper 1 Variant 1, question 35.

Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content