Electromagnet - Wikipedia
An electromagnet is a type of magnet in which the magnetic field is produced by an electric current. Electromagnets usually consist of copper wire wound into a coil.
Electromagnet | Uses, Properties & Applications | Britannica
An electromagnet is used wherever controllable magnets are required, as in contrivances in which the magnetic flux is to be varied, reversed, or switched on and off.
How Electromagnets Work | HowStuffWorks
Jul 18, 2023 · An electromagnet results when electrical currents flow around some ferromagnetic core. The Earth's core is iron, and we know it has a north pole and a south pole.
Electromagnet - GeeksforGeeks
Jul 23, 2025 · An electromagnet is a magnet powered by electricity, creating a magnetic field that can be controlled. It works by passing an electric current through a coil of wire.
What Is an Electromagnet? Definition, Working, and Uses ...
May 5, 2025 · An electromagnet is a temporary magnet created by passing an electric current through a wire. Learn how electromagnets work, their applications, and how to make one easily.
Electromagnet – Electricity – Magnetism
An electromagnet is a type of magnet that generates a magnetic field when an electric current is applied to it. Unlike permanent magnets, electromagnets can be turned on and off by …
What is Electromagnet? - BYJU'S
A magnet that consists of a piece of iron or steel surrounded by a coil is known as an electromagnet. The metal becomes magnetic when an electric current is passed through the coil.