A-LevelPhysicsD.C. circuits9702/12 · Oct/Nov 2017 · Q191 Mark

During refuelling, a petrol car receives 50 litres of fuel in 90 seconds. The petrol has 34 MJ of energy per litre. For an electric car to receive the same amount of energy in the same time from a 230 V supply, what is the minimum current required?

A2700 A

B8.2 × 10⁴ A

C7.4 × 10⁵ A

D6.6 × 10⁸ A

✓ Correct answer

B: 8.2 × 10⁴ A

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Topic: D.C. circuits, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, Oct/Nov 2017 Paper 1 Variant 2, question 19.

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