A-LevelPhysicsD.C. circuits9702/12 · May/June 2021 · Q381 Mark

Two resistors are connected in series with a 6.0 V power supply, as shown. [Figure 38.1] What is the resistance of the variable resistor R to give a potential difference of 1.0 V across the 12 kΩ resistor?

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A2.0 kΩ

B10 kΩ

C60 kΩ

D72 kΩ

✓ Correct answer

C: 60 kΩ

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Topic: D.C. circuits, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, May/June 2021 Paper 1 Variant 2, question 38.

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