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O-LevelPhysicsElectricity5054/11 · Oct/Nov 2023 · Q281 Mark

Three students make comments about appliances with double insulation. student P Appliances with double insulation do not need an earth wire. student Q Double insulation protects the user of the appliance from an electric shock. student R The circuits of appliances with double insulation do not contain fuses. Which students are correct?

AP, Q and R
BP and Q only
CP and R only
DQ and R only

✓ Correct answer

B: P and Q only

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About this question

Topic
Electricity, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source
O-Level Physics, Oct/Nov 2023 Paper 1 Variant 1, question 28.

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