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Physics · May / June 2024 · Paper 12 · Question 33

5054Electrical safety

What is the purpose of the earth wire in a plug connected to an appliance?

  1. Ato complete the circuit so that the appliance works
  2. Bto conduct thermal energy so that the appliance does not get too hot
  3. Cto prevent a person getting a shock
  4. Dto protect the appliance from a current that is too large

As printed in the paper

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Correct answer: C. to prevent a person getting a shock

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