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What is the principle of magnetite

Author:admin   AddTime:2021-11-11

The principle of magnetite is to attract iron, cobalt, nickel and other substances. The strong magnetic area at both ends of the magnet is called the magnetic pole, one end is called the north pole (N pole), and the other end is called the south pole (S pole). Experiments show that the magnetic poles with the same name repel each other, and the magnetic poles with the same name attract each other.

Inside the atom, the electrons continuously rotate and revolve around the nucleus. Both of these movements of electrons produce magnetism. But in most materials, the directions of the electrons are different and chaotic, and the magnetic effects cancel each other out. Therefore, most materials will not exhibit magnetism under normal conditions.



Due to the rotation of the earth, its magnetic field and current will be continuously and strongly combined together, which will turn the entire earth into a very large magnetic field. Minerals on the earth, such as nickel, cobalt, iron, and other substances, rotate due to the rotation of the earth, thereby turning into natural magnetite.

Hang the middle point of the bar magnet with a thin wire. When it is stationary, its ends will point to the south and north of the earth. The end that points to the north is called the North Pole or N pole, and the end that points to the south is called the Guide Pole or South Pole.

If you think of the earth as a huge magnet, then the earth’s magnetic north pole is the guiding pole, and the geomagnetic south pole is the north pole. Between the magnet and the magnet, the magnetic poles of the same name repel each other, and the magnetic poles of the same name attract each other. Therefore, the compass repels the South Pole, the north arrow repels the North Pole, and the compass attracts the north arrow.

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