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Electrical safety

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Question 96

An engineer is reviewing the safety features for two different household appliances. Appliance X has a metal (conducting) outer casing, and Appliance Y has a plastic (insulating) outer casing.

Consider the following four statements:

  1. Appliance X must be connected to an earth wire.
  2. Appliance X does not require an earth wire.
  3. Appliance Y must be connected to an earth wire.
  4. Appliance Y does not require an earth wire.

Which statements are correct?

A

1 and 3

B

1 and 4

C

2 and 3

D

2 and 4

Markscheme

Electrical safety Questions

  1. IGCSE
  2. /Physics
  3. /Electrical safety

135 exam-style questions on CIE IGCSE Physics Electrical safety, covering Electrical safety. Each one has a worked solution and a mark scheme showing where the marks go.

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