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10.4 Mains electricity

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Question 32
F

A person touches a bare live wire while also touching an earthed metal pipe. Why can the person receive an electric shock?

[1]
A

There is a large potential difference across the person's body.

B

The earth connection removes the resistance of the person's body.

C

The neutral wire transfers stored charge into the person's body.

D

The live wire provides a constant direct current through the body.

Markscheme

10.4 Mains electricity Questions

  1. GCSE
  2. /Physics
  3. /10.4 Mains electricity

81 exam-style questions on Edexcel GCSE Physics 10.4 Mains electricity, covering 10.4.1 Direct and alternating current, 10.4.2 Live, neutral and earth wires; safety, 10.4.3 Mains wire potential differences and dangers, and 10.4.4 Power ratings and energy use. Each one has a worked solution and a mark scheme showing where the marks go.

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