A-LevelPhysicsD.C. circuits9702/12 · Feb/Mar 2022 · Q371 Mark

In the circuit shown, the cells have negligible internal resistance and the reading on the galvanometer is zero. [Figure 37.1] What is the value of resistor R?

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A2.0 Ω

B6.0 Ω

C12 Ω

D18 Ω

✓ Correct answer

C: 12 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 37.

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