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magnetic directions

/Tag:magnetic directions

Surface Magnetism Field

Surface Magnetism Field Surface magnetism refers to the magnetic induction intensity at a certain point on the surface of the magnet, and the unit is Gauss Gs or Tesla T (1T=10000Gs). The surface magnetism at different positions on the surface of the magnet is not the same. Generally speaking, "surface magnetism" refers to the center [...]

Magnetic Moment

Magnetic Moment The generation of the magnetic field can be divided into two aspects: one is based on the moving current (electromagnetic induction), and the other is based on the spin of the basic particles of matter. The first is the magnetic effect of current that we are more familiar with, which is the magnetic [...]

Magnetic induction B and magnetic polarization J

Magnetic induction B and magnetic polarization J Practice and theory have proved that when a ferromagnetic or ferrimagnetic substance is magnetized in a magnetic field, in addition to the magnetic field in the substance, because the magnetic moments of the atoms of the ferromagnetic substance turn to the direction of the external magnetic field, it [...]

Permanent magnets in Apple’s magnetic wireless charger

Permanent magnets in Apple's magnetic wireless charger Since the iPhone 8 in 2017, Apple has added a wireless charging function to all iPhone models, which is similar to other mobile phone wireless charging methods. It starts charging when placed on a wireless charger. This wireless charging relies on the transmitter coil and Accepting the alignment [...]

Magnetization direction and orientation direction

Magnetization direction and orientation direction The magnetism of permanent magnets mainly comes from its crystal structure that is easily magnetized. It can obtain extremely high magnetism under the action of a strong external magnetic field, and its magnetism will not disappear after the external magnetic field disappears. Therefore, "magnetization" is NdFeB A key step for [...]

Why can Magnets Absorb Iron?

Why can magnets absorb iron? Where does its energy come from? There is a magnetic field around the magnet. The magnetic field is a special kind of material. He stores the magnetic energy in the magnetic field. The magnet attracts iron because the iron also has small magnetic domains, which can be easily attracted by [...]

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