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5 marksElectromagnetic Induction

CAPE Physics Unit 2 · 2001 · Paper 1 · Question 5(a)

Transformers and power transmission.

With the aid of a labelled diagram explain the principle of operation of an ideal transformer.

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Other parts of this question

  1. 5(b)(i)Calculate the current in the transmission cable.[1 mark]
  2. 5(b)(ii)Calculate the power lost in the transmission cable.[2 marks]
  3. 5(iii)Calculate the percentage power lost in the transmission cable if the voltage was not stepped up.[2 marks]

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