Structure of Electron: One Simple Discovery, But One of the High Impact Discoveries!
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Since there is no orbital motion for electrons in atoms, it is clear that the magnetic field of a magnetic domain is created by stationary positioned electrons (watch video structure of atom). At Curie point, a magnetic material changes its magnetic property due to the misalignment of electrons by thermal vibration. These facts indicate that an electron has a standing magnetic field. Static electricity is created by stationary charges (negative/positive). This fact indicates that electron has a standing electric field too. Electric field can only be influenced (attract/repel) by electric field and magnetic field can only be influenced by magnetic field. But, electrons can be influenced by both electric field and magnetic field. This is another evidence for the standing electric field and magnetic field of electrons. EVIDENCES FOR THE STANDING FIELDS ARE AT RIGHT ANGLE The direction of the magnetic field created is perpendicular to the direction of an electric current. A radio transmitter creates radio waves that are perpendicular to the oscillating electrons in the transmitter antennae. The flow of electrons in a conductor is essentially caused by the attraction between the electric fields of mobile electrons and fixed positive charges in the conductor. When the electric field of an electron is 0 degree angle to a positive charge, the attraction between them will be maximum. When a mobile electron is located in a magnetic field, the magnetic field of the electron will be at 0° angle and the electric field of the electron will be at 90° angle to the applied magnetic field. If the magnetic field moves, the electron will also move with the moving magnetic field (for example, electromagnetic induction). When a magnetic field is applied parallel to the direction of an electric current, as the magnetic field of a mobile electron will be directed at 0° angle to an applied magnetic field, the electrons will rotate at 90° angle. Now the electric fields of the mobile electrons will be at 90° angle to the positive charge. This causes the attraction between mobile electrons and the positive charge in the conductor to decrease. This decrease in attraction causes Magnetoresistance (MR). But if the applied magnetic field is at right angle to the direction of the current, then the electric fields of the mobile electrons will be at 0° angle to the direction of the positive charge in the conductor. This causes the resistance to decrease in the conductor. In Barnett effect, when a ferromagnetic body spun on its axis, the magnetization occurs parallel to the axis of its spin. When the body rotates, the mobile electrons move to the outer rim due to the centrifugal force and accumulate there. This separation of charges creates a potential difference between the axis and the outer rim. As the electric field of an electron will be directed to positive charge and the electron has electric field and magnetic field at right angle, the magnetic field is created parallel to the axis of the spin. http://www.physics-edu.org
Added on Nov 27, 2012 by lonewolf
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