O-LevelPhysicsElectricity5054/12 · May/June 2020 · Q211 Mark

The 200 V battery of an electric car is charged with a current of 33 A for 4.0 hours. The efficiency of the charging process is 90%. How much useable energy is transferred to the battery?

A21 MJ

B86 MJ

C95 MJ

D106 MJ

✓ Correct answer

B: 86 MJ

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Topic: Electricity, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, May/June 2020 Paper 1 Variant 2, question 21.

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