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Using Electricity to Make a Magnet

In this worksheet, students will explain how to make an electromagnet, which is a magnet made using electricity. There is no magnetism if the electric current does not flow through the wire.

'Using Electricity to Make a Magnet' worksheet

Key stage:  KS 3

Curriculum topic:   Physics: Electricity and Electromagnetism

Curriculum subtopic:   Magnetism

Difficulty level:  

Worksheet Overview

An electromagnet is a magnet made using electricity. It is only magnetic when the electric current is flowing through the wire. Like all magnets, electromagnets have a N and a S pole, and their position depends on the direction of the flowing current. When an electric current flows through a wire, a magnetic field is created around the wire. The field is strengthened when the wire is twisted into a coil.


These diagrams show how an electromagnet is formed by coiling a wire and then how the direction of the magnetic field changes according to the direction in which the current is flowing (see arrows on wires).




An electromagnet is made by winding the wire into a coil around a metal bar and letting electricity flow through it. The magnetic field is present only when electricity flows through the wire. This is what makes electromagnets very useful.


There are several uses of electromagnets (medical, industrial and home uses):


  • removing objects from people's eyes
  • in cat-scanning (CATSCAN) devices 
  • in scrapyards to pick up objects made of steel
  • in home circuit breakers, amplifiers and door bells
  • telephones, loudspeakers, driving motors and PCs



Electromagnet in scrapyard

Electromagnet separating steel items in a scrapyard


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