Skip to content

Course home

Sign up

4.5.6a Construction and operation of a transformer

EasyMedium
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293
Question 44

During the transmission of electricity across the National Grid, step-up transformers are used to increase the voltage. What is the effect of doing this on the current and the energy dissipated as heat in the cables?

A

It increases the current, which decreases the heat loss.

B

It decreases the current, which decreases the heat loss.

C

It increases the current, which increases the heat loss.

D

It decreases the current, which increases the heat loss.

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