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1 markTransformers

CSEC Physics · May/June 2018 · Paper 2 · Question 6(a)(iii)

The transformer is a commonplace technological tool used in our daily lives. Figure 6 shows one type of transformer used in electricity distribution.

State the formula that relates voltage, V, to number of turns, n, in a transformer.

This question uses a figure or table from the paper — you'll see it when you practise.

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Other parts of this question

  1. 6(a)(i)State the name of the parts labelled A, B, C and D in Figure 6.[4 marks]
  2. 6(a)(ii)Identify the type of transformer shown in Figure 6.[1 mark]
  3. 6(b)(i)Calculate the input power of the transformer.[4 marks]
  4. 6(b)(ii)the voltage across the secondary coil[2 marks]
  5. 6(b)(iii)the maximum secondary current if the transformer is 100% efficient.[3 marks]

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