O-LevelPhysicsElectricity5054/11 · Oct/Nov 2019 · Q321 Mark

An aircraft flying through the air becomes electrically charged. What causes this to happen?

Abackground radiation in the aircraft

Bfriction of the aircraft with the air

Cheating of the aircraft surface

Dradio waves emitted by the aircraft

✓ Correct answer

B: friction of the aircraft with the air

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Topic: Electricity, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, Oct/Nov 2019 Paper 1 Variant 1, question 32.

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