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4.5.6a Construction and operation of a transformer

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Question 19

The voltage across the primary coil of a 100% efficient transformer is 240 V and the voltage across the secondary coil is 16 V.

a.

The current in the secondary coil is 3.0 A. Calculate the current in the primary coil.

[3]
b.

Calculate the ratio of the number of turns on the primary coil to the number of turns on the secondary coil of the transformer.

[2]
Markscheme

4.5.6a Construction and operation of a transformer Questions

  1. IGCSE
  2. /Physics
  3. /4.5.6a Construction and operation of a transformer

136 exam-style questions on CIE IGCSE Physics 4.5.6a Construction and operation of a transformer. Each one has a worked solution and a mark scheme showing where the marks go.

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