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BookmarkIn physics, a magnetic field is that part of the electromagnetic field that exerts a force on a moving charge.
A magnetic field can be caused either by another moving charge (i.e., by an electric current) or by a changing electric field..
For more information about the topic Magnetic field, read the full article at Wikipedia.org, or see the following related articles:
Electromagnetism — Electromagnetism is the physics of the electromagnetic field: a field, encompassing all of space, which exerts a force on those particles that ... > read more
Electrical phenomena — Electrical phenomena are commonplace and unusual events that can be observed which illuminate the principles of the physics of electricity and are ... > read more
Electric power — Electric power is the amount of work done by an electric current in a unit time. When a current flows in a circuit with resistance, it does work. ... > read more
Electricity — Electricity is a property of matter that results from the presence or movement of electric charge. Together with magnetism, it constitutes the ... > read moreNote: This page refers to an article that is licensed under the GNU Free Documentation License. It uses material from the article Magnetic field at Wikipedia.org. See the Wikipedia copyright page for more details.
