Electromagnetic fields
Electromagnetic Fields
Electromagnetic fields (pronunciation: /ɪˌlɛktrəʊmæɡˈnɛtɪk fiːldz/) are physical fields produced by electrically charged objects. They affect the behavior of charged objects in the vicinity of the field. The electromagnetic field extends indefinitely throughout space and describes the electromagnetic interaction.
Etymology
The term "electromagnetic field" originates from the combination of the words "electric" and "magnetic". The concept of an electromagnetic field was first introduced by Michael Faraday in the 19th century.
Related Terms
- Electromagnetic Spectrum: The range of all possible frequencies of electromagnetic radiation.
- Electromagnetic Wave: A type of wave that is an oscillation of electric and magnetic fields.
- Electromagnetic Radiation: A form of energy emitted and absorbed by charged particles.
- Electromagnetic Induction: The production of an electromotive force across an electrical conductor in a changing magnetic field.
See Also
References
External links
- Medical encyclopedia article on Electromagnetic fields
- Wikipedia's article - Electromagnetic fields
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