Baird, Christopher S. Department of Chemistry and Physics, West Texas A&M University, Canyon, Texas.
Last reviewed:December 2019
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- Magnetism, published November 2019:Download PDF Get Adobe Acrobat Reader
- Magnetism, published January 2014:Download PDF Get Adobe Acrobat Reader
- Magnetic moments
- Magnetic monopoles
- Magnetic dipoles
- Magnetic quadrupoles and other multipoles
- Magnetic fields
- Effect of electric currents
- Effect of intrinsic moments
- Effect of changing electric fields
- Magnetic forces
- Magnetic force on a moving charged particle
- Magnetic force between magnets
- Material effects
- Faraday’s law of induction
- Related Primary Literature
- Additional Reading
The component of electromagnetism involving magnets, magnetic fields, and magnetic forces. Magnetism encompasses all phenomena relating to the magnetic field (Fig. 1) and its effects on other entities. Magnetism is part of electromagnetism, which is one of the fundamental interactions of the universe. Although a magnetic field is an inseparable component of the electromagnetic field, it can be treated as independent in some situations. Magnetism involves the interplay of four basic entities: electric currents, intrinsic magnetic dipole moments, magnetic fields, and electric fields. An electric current consists of electrically charged particles that are moving. An intrinsic magnetic dipole moment is an innate property of certain fundamental particles. Collections of electric currents and particles with intrinsic magnetic moments are known as magnets. See also: Electric charge; Electric current; Electromagnetism; Fundamental interactions; Magnet
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