A-LevelPhysicsD.C. circuits9702/12 · May/June 2018 · Q321 Mark

The power output of an electrical supply is 2.4 kW at a potential difference (p.d.) of 240 V. The two wires between the supply and a kettle each have a resistance of 0.50 Ω, as shown. [Diagram] What is the power supplied to the kettle and what is the p.d. across the kettle?

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A2.3, 230

B2.3, 235

C2.4, 230

D2.4, 235

✓ Correct answer

A: 2.3, 230

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Topic: D.C. circuits, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, May/June 2018 Paper 1 Variant 2, question 32.

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