O-LevelPhysicsElectricity5054/12 · May/June 2024 · Q331 Mark
What is the purpose of the earth wire in a plug connected to an appliance?
Ato complete the circuit so that the appliance works
Bto conduct thermal energy so that the appliance does not get too hot
Cto prevent a person getting a shock
Dto protect the appliance from a current that is too large
✓ Correct answer
C: to prevent a person getting a shock
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