Skip to content

Course home

Sign up

4.5.6a Construction and operation of a transformer

EasyMedium
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293
Question 93

A transformer in an electronic device is used to transform the mains voltage of 120 V to 24 V.

The number of turns on the secondary coil is 800.

Which statement about the transformer is correct?

A

It is a step-down transformer and has 160160160 turns on its primary coil.

B

It is a step-down transformer and has 400040004000 turns on its primary coil.

C

It is a step-up transformer and has 160160160 turns on its primary coil.

D

It is a step-up transformer and has 400040004000 turns on its primary 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.

Question bank