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Mains electricity

Mains electricity

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Question 5

Transmitting electricity at a high voltage is advantageous because it reduces the:

A

resistance of the cables

B

energy lost as heat due to decreased current

C

overall efficiency of transmission

D

frequency of the alternating current

Markscheme

Mains electricity Questions

  1. IGCSE
  2. /Physics
  3. /Mains electricity

28 exam-style questions on Edexcel IGCSE Physics Mains electricity. Each one has a worked solution and a mark scheme showing where the marks go.

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