Magnetism

Definition

Magnetism is a force that attracts or repels certain materials, such as iron or steel. It is caused by the movement of electric charges.

Related terms

Magnetic Field: A region around a magnet where its magnetic force can be felt.

Electromagnet: A temporary magnet created by passing an electric current through a coil of wire wrapped around an iron core.

Magnetic Pole: The ends of a magnet where the magnetic force is strongest (north and south poles).