A-LevelPhysicsD.C. circuits9702/12 · May/June 2019 · Q371 Mark

A circuit contains two batteries, each of negligible internal resistance, and two resistors as shown. [Figure 37.1] The galvanometer has a current reading of zero. What is the electromotive force (e.m.f.) of battery X?

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A6.0 V

B8.0 V

C16.0 V

D18.0 V

✓ Correct answer

A: 6.0 V

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Topic: D.C. circuits, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, May/June 2019 Paper 1 Variant 2, question 37.

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