Skip to content

Course home

Sign up

4.5.6a Construction and operation of a transformer

EasyMedium
12345678910111213141516171819202122232425262728293031323334353637383940414243
Question 21

Two transformers, X X\,X and YYY, each have 1500 turns on their primary coils and 500 turns on their secondary coils. Both transformers are 100% efficient.

The secondary of transformer X X\,X is connected to the primary of transformer YYY.

Transformer Y Y\,Y provides a heater with a current of 1.8 A.

What is the current being supplied to the primary of transformer XXX?

A

5.4 A5.4\text{ A}5.4 A

B

1.8 A1.8\text{ A}1.8 A

C

0.6 A0.6\text{ A}0.6 A

D

0.2 A0.2\text{ A}0.2 A

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