Question

What is electromagnet

Answer 1

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 it. ... An electromagnet works because an electric current produces a magnetic field.

Answer 2

An electromagnet is a type of magnet in which the magnetic field is produced by an electric current. Electromagnets usually consist of wire wound into a coil. Unlike permanent magnet it runs on electricity and is temporary