An electromagnet is a magnet that runs on electricity. Unlike a permanent magnet, the strength of an electromagnet can easily be changed by changing the amount of electric current that flows through...
Quite a lot of things, speakers, telephones, tatoo guns, certain componets in computers, (fans) industrinal -to pick up cars, scrap, ect, mri machines, and a hole host of other things.
Industrial Electromagnets Use higher quality metals for the coil winding. Also the windings are of different design and there are more of them. The metals used for the conductor are also of better...
An electromagnet converts electric current into a magnetic field. They are useful when the magnet should be able to be controlled, rather than a permanent magnet.