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electromagnetic phenomena
The term electromagnetic is used to describe the combined electric and magnetic fields which are associated with movements of electrons through conductors.

The process includes the combined electrical and magnetic effects exhibited by and used by equipment, apparatus, and instruments; and, in terms of radiation, to describe the radiation which is associated with a periodically varying electric and magnetic field that is traveling at the speed of light; such as, light waves, radio waves, X-rays, gamma radiation, etc.

This entry is located in the following unit: electro-, electr-, electri- (page 40)