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【 Parsing the magnet for you knowledge 】

by:Newland     2020-05-05
【 Parsing the magnet for you knowledge 】 Magnet is a kind of material can attract or repel each other each other, if an object inside the small molecule can be put in the same direction, it becomes a magnet. Component is iron, cobalt, nickel and other special atomic structure, atomic itself has a magnetic moment, these deposits in molecular chaos. Influence each other just don't show the magnetic magnetic area, but in the external force ( Such as magnetic field) Guided by molecular put direction toward common, just show magnetic, also known as the magnet. Iron, cobalt, nickel, is the most commonly used magnetic materials, permanent magnet with soft iron magnet points, basically a permanent magnet is coupled with strong magnetic, make the spin of magnetic materials and electronic angular momentum into fixed direction placement, soft magnetic is combined with current ( Is also a kind of combined with magnetic method) Such as current remove soft magnetic iron will slowly lost. Magnet not created by man, there is a natural magnetite, the earliest discovery and use of magnet should be Chinese. So & other; The compass & throughout; Is one of Chinese four big creation. Strong magnets, magnets, magnet, magnet, ndfeb magnet, rare earth permanent magnets
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