A-LevelPhysicsElectricity9702/12 · May/June 2016 · Q351 Mark

The charge that a fully charged 12V car battery can supply is 100 kC. The starter motor of the car requires a current of 200 A for an average period of 2.0s. The battery does not recharge because of a fault. What is the maximum number of times the starter motor of the car can be used?

A21

B25

C42

D250

✓ Correct answer

D: 250

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Topic: Electricity, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, May/June 2016 Paper 1 Variant 2, question 35.

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