What are the magnets included?
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Ningbo Tengxiao Magnetic Industry Co., Ltd. is a professional supplier of magnetic products and magnetic equipment, specializing in the production of high-quality neodymium iron boron magnets, magnetic badges and other magnetic equipment as well as custom bulk magnetic hooks.
I believe many people have played with magnets. Magnets can attract some objects, so do these things have anything in common? Let’s talk to you about what things that can be attracted by magnets have in common.
Magnets can generate magnetic fields, and the items that can be attracted by magnets are generally items that have their own magnetism or can be magnetized.
Magnets can generate magnetic fields and have the property of attracting ferromagnetic materials such as iron, nickel, cobalt and other metals.
Hang the midpoint of the bar magnet with a thin line. When it is still, its two ends will point to the south and north of the earth. The end that points to the north is called the north or N pole, and the end that points to the south is the guide pole or S. pole.
If you think of the earth as a large magnet, the earth’s magnetic north pole is the guide pole, and the geomagnetic south pole is the north pole. Between the magnet and the magnet, the magnetic poles of the same name repel and the magnetic poles of different names are attracted. Therefore, the compass repels the South Pole, the north arrow repels the North Pole, and the compass attracts the north arrow.
Soft magnets include silicon steel sheets and soft magnet cores; hard magnets include alnico, samarium cobalt, ferrite and neodymium iron boron. Among them, the most expensive is samarium cobalt magnets, and the cheapest is ferrite magnets. The highest performance is NdFeB magnets, but the most stable performance and the best temperature coefficient is AlNiCo magnets. Users can choose different hard magnetic products according to different needs.
Magnets can be divided into "permanent magnets" and "non-permanent magnets". Permanent magnets can be natural products, also known as natural magnets, or they can be manufactured artificially. Non-permanent magnets, such as electromagnets, only appear magnetized under certain conditions.
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