What is a magnet?

- Oct 24, 2017 -

The composition of the magnet is iron, cobalt, nickel and other atoms, the internal structure of the atom is rather special, itself has a magnetic moment. Magnets can produce magnetic fields, with the ability to attract ferromagnetic materials such as iron, nickel, cobalt and other metal properties.

Magnet Type: Shape Magnet: Square Magnet, Woid Magnet, Shaped Magnet, Cylindrical Magnet, Ring Magnet, Disc Magnet, Magnet Magnet, Magnet Magnet, Magnet Magnet: Magnetite, NdFeB Magnet Powerful magnets), ferrite magnets, alnico magnets, iron chrome cobalt magnets, industry magnets: magnetic components, motor magnets, rubber magnets, plastic magnets, and the like. Magnet sub-permanent magnet and soft magnetic, permanent magnet is coupled with strong magnetic, so that the magnetic material spin and the electronic angular momentum into a fixed direction, soft magnetic is added to the electricity. (Also a method of adding magnetic force) and other current to remove the soft iron will slowly lose the magnetic.

The middle of the strip magnet hanging with a thin line, at rest, its both ends will point to the south and north of the earth, pointing to the north of the end called the north pole or N pole, pointing to the south of the end of the guide for the pole or S pole.

If the earth is thought of as a large magnet, then the Earth's geomagnetic north pole refers to the Antarctic, geomagnetic Antarctic refers to the Arctic. Between the magnet and the magnet, the same name magnetic phase rejection, similar to the magnetic pole to attract. Therefore, the compass and the Antarctic phase of rejection, the North and the Arctic phase of rejection, and compass and the compass is attracted.

Category: Magnets can be divided into "permanent magnets" and "non-permanent magnets". Permanent magnets can be natural products, also known as natural magnets, can also be manufactured by artificial. Non-permanent magnets, such as electromagnets, exhibit magnetic properties only under certain conditions.

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