Kiara Crispin

What is an electromagnet?

An electromagnet is a magnet created by a wire carrying electric current.

How does it work?

An electromagnet works by an electric current producing a magnetic field.

Who invented an electromagnet?

The electromagnet was invented by a Danish physicist and chemist, Hans Christian Øersted, in 1819. He had noticed that a current in a wire caused a compass needle to deflect, discovering that moving electric charges create a magnetic field.
Magnetism: Electromagnets