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4.5.6a Construction and operation of a transformer

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Question 57

An input voltage of 15 V is supplied to the primary coil of an ideal transformer. An output voltage of 75 V is produced across the secondary coil.

The 15 V supply at the primary coil is now replaced with a 30 V supply.

What is the new output voltage across the secondary coil?

A

15 V15\text{ V}15 V

B

30 V30\text{ V}30 V

C

90 V90\text{ V}90 V

D

150 V150\text{ V}150 V

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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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