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13.2 Transformers and the National Grid

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Question 12

A data storage centre receives electrical power through a transmission cable.

The current in the cable is 160 A and the total resistance of the cable is 1.8 Ω.

Calculate the power wasted in the transmission cable.

[2]
Markscheme

13.2 Transformers and the National Grid Questions

  1. GCSE
  2. /Physics
  3. /13.2 Transformers and the National Grid

108 exam-style questions on Edexcel GCSE Physics 13.2 Transformers and the National Grid, covering 13.2.1 Transformers and induction, 13.2.2 The transformer turns-ratio equation, 13.2.3 The National Grid, 13.2.4 The transformer power equation, and 13.2.5 Advantages of high-voltage transmission. Each one has a worked solution and a mark scheme showing where the marks go.

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