While technically not an electromagnet, it is possible to build a similar device that will weakly pull on copper and aluminum, and [Cylo] shows us how it works in a recent video you can see below.

They are found in electric motors and loudspeakers. Electric bells like the ones used in most schools also contain an electromagnet. The slideshow describes how an electric bell works.

It’s an electromagnet pendulum analog circuit ... took the time to highlight each part of the schematic in order to work through a complete explanation. In the end, this analog circuit should ...

Curious about electromagnet shields? In just 60 seconds, discover how they work and the science behind their protective power. Learn the secrets of this fascinating technology! USPS Announces ...

A coil with an iron core is called an electromagnet. The iron core increases the coil’s magnetic field strength. A simple electromagnet is made by coiling wire around an iron nail. An iron core ...