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2 Electricity

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Question 100
H

Which statement explains why the metal case of a correctly earthed appliance stays at 0 V?

[1]
A

The case is joined to the neutral wire, which is at 0 V

B

The case is made of metal, so it cannot hold a potential difference

C

The case is joined to the live wire only when there is a fault

D

The case is joined by the earth wire to earth, which is at 0 V

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2 Electricity Questions

  1. GCSE
  2. /Physics
  3. /2 Electricity

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