Skip to content

Course home

Sign up

4.5.6a Construction and operation of a transformer

EasyMedium
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293
Question 70

A step-up transformer is 100% efficient. It has an input voltage of 120 V a.c. and an output voltage of 360 V a.c.

The current in the primary coil is 1.50 A.

What is the current in the secondary coil?

A

0.50 A0.50\text{ A}0.50 A

B

1.5 A1.5\text{ A}1.5 A

C

4.5 A4.5\text{ A}4.5 A

D

6.0 A6.0\text{ A}6.0 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