Electricity+and+Magnetism

Electromagnets

An electomagnet is a temporary magnet made by coiling wire around an iron core; when current flows in the coil the iron becomes a magnet. In this unit we will discover how and why electromagnets are used.



Log on to the [|Wizard's Lab] site. Click on Electricity and Magnetism. Read the introduction and then click on Instructions at the bottom of the page. Hit the Back button and navigate to the bottom of the page. Click on "What is electricity?" and take notes on the content. Next, click on "Terms" and write down all the terms and their explanations.