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Additional
electromagnetic fields
English Wikipedia - The Free Encyclopedia
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Electromagnetic field
An
electromagnetic field
(also
EMF
or
EM field
) is a physical
field
produced by
electrically charged objects
. It affects the behavior of charged objects in the vicinity of the field. The electromagnetic field extends indefinitely throughout space and describes the
electromagnetic interaction
. It is one of the four
fundamental forces
of nature (the others are
gravitation
,
weak interaction
and
strong interaction
).
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