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4.5.6a Construction and operation of a transformer

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Question 71

A transformer in a neon sign is used to transform the mains voltage of 230 V to 4600 V.

The number of turns on the primary coil is 400.

Which statement about the transformer is correct?

A

It is a step-up transformer and has 800080008000 turns on its secondary coil.

B

It is a step-up transformer and has 202020 turns on its secondary coil.

C

It is a step-down transformer and has 800080008000 turns on its secondary coil.

D

It is a step-down transformer and has 202020 turns on its secondary coil.

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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