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Magnetism

Similar term(s): magnet, magnetic.

Definition:

A class of physical phenomena that include being able to attract iron.

Magnetism is associated with moving electricity, is exhibited by both magnets and electric currents, and involves force ["magnetic"] fields.

Source: CanCentral.com Glossary 

More:

A magnet is any material that has a magnetic field. It can attract certain materials such as iron and attract or repel other magnets.

Permanent magnets do not rely upon outside influences to generate their field. They retain their magnetism for a long time.

Electromagnets rely upon electric current to generate a magnetic field. When the current increases, so does the field.

Source: GreenFacts

Example of a permanent magnet magnet

Source: Wake Forest University Magnetic Field Lines 

Related words:

Magnetic field - Ferromagnetism - Geomagnetic field

To read about this term in context:

GreenFacts Summary on Static Fields:

Translation(s):

Español: Magnetismo
Français: Magnétisme

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