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4.5.6a Construction and operation of a transformer

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Question 32

The transformer in an inverter is used to change an input voltage of 12 V to an output voltage of 240 V.

The transformer has 100 turns on the primary coil.

Which type of transformer is it and how many turns does the transformer have on the secondary coil?

A

Step-up, 555 turns

B

Step-up, 200020002000 turns

C

Step-down, 555 turns

D

Step-down, 200020002000 turns

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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