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Moving electrons produce a magnetic field , explain how this magnetic field is produced
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magnetic fields result, in one way or another, frommoving charges. Although allowed by Maxwell's equations, which mathematically relate electric and magnetic fields via the source charges and currents (moving electric charges), the 'magnetic monopole' has never been observed. If it existed, it would be a particle responsible for the creation of a magnetic field absent an electric current.
To the specific question of where are the moving charges in the iron atoms of a magnet, there are two sources. The first is in the orbital motion of the electrically charged electrons around the nucleus. The second is, speaking classically, due to the charge distribution on the electron and the fact that the electron has 'spin.' That is, you can think of the electron as a ball with charge distributed over its surface. When the ball spins, that charge is set in motion around the electron's spin axis, resulting in a magnetic field specific to the electron, independent of its orbital motion. The latter is referred to as the spin magnetic moment of the electron.
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magnetic fields result, in one way or another, frommoving charges. Although allowed by Maxwell's equations, which mathematically relate electric and magnetic fields via the source charges and currents (moving electric charges), the 'magnetic monopole' has never been observed. If it existed, it would be a particle responsible for the creation of a magnetic field absent an electric current.
To the specific question of where are the moving charges in the iron atoms of a magnet, there are two sources. The first is in the orbital motion of the electrically charged electrons around the nucleus. The second is, speaking classically, due to the charge distribution on the electron and the fact that the electron has 'spin.' That is, you can think of the electron as a ball with charge distributed over its surface. When the ball spins, that charge is set in motion around the electron's spin axis, resulting in a magnetic field specific to the electron, independent of its orbital motion. The latter is referred to as the spin magnetic moment of the electron.
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