What Is An Electromagnet?
An electromagnet is a soft, metal core made into a magnet by the passage of electric currents through a coil surrounding it. When he was making the first electromagnet, he displayed its power by lifting nine pounds with a seven-ounce piece of iron wrapped with wire, which a current from one battery was sent
More Information on Electromagnets
How Does an Electomagnet Work?
An electromagnet works because an electric current produces a magnetic field. The magnetic field produced by an electric current forms circles around the electric current, as shown in the second photo above:
Who Invented the ElectroMagnet?
The picture below shows how a speed line train uses electromagents.
This picture below shows how a microphone uses electromagnets.
The picture below shows how a magnetic crane uses electromagnets.
How an Electromagnet works
All of my sources:
*www.google.com (google images as well)