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4.5.6a Construction and operation of a transformer

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Question 40

Three statements about a step-up transformer are given.

  1. The secondary coil has more turns of wire than the primary coil.
  2. It increases the alternating voltage, which results in a decrease in the alternating current.
  3. It can be used to step up the voltage of a constant direct current (d.c.) source.

Which statements are correct?

A

1 and 2 only

B

1 and 3 only

C

2 and 3 only

D

1, 2 and 3

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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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