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.
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!
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 ...
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.