A-LevelPhysicsD.C. circuits9702/12 · Feb/Mar 2022 · Q361 Mark

A cell has an electromotive force (e.m.f.) of 8.0 V and negligible internal resistance. The cell forms part of a circuit, as shown. [Figure 36.1] The reading V₁ is 4.0 V and the reading V₂ is also 4.0 V. What is the resistance of resistor R?

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.

A0.50 Ω

B2.0 Ω

C4.0 Ω

D8.0 Ω

✓ Correct answer

B: 2.0 Ω

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Topic: D.C. circuits, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, Feb/Mar 2022 Paper 1 Variant 2, question 36.

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