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electrons

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How inductive sensors work

How inductive sensors work Inductive sensors are often used to measure position or velocity, especially in harsh environments. The terminology and technology of inductive position sensors can be confusing for many engineers. In this article, the various types of inductive sensors are explained, how they work, and their respective strengths and weaknesses. Inductive position and [...]

Efficient use of weak magnetic energy, new collectors help IoT sensors “self-generate”

Efficient use of weak magnetic energy, new collectors help IoT sensors "self-generate" CHINA's "dual-carbon" strategy advocates a green, environmentally friendly, and low-carbon lifestyle, which depends on the continuous development and innovation of green energy technologies. At the moment when our country is vigorously developing renewable energy, the recovery and reuse of micro-energy such as magnetic [...]

Why do magnets only attract iron?

Gold, silver, copper, and iron are all metals. Why do magnets only attract iron? It is a well-known phenomenon that a magnet will attract iron. I believe that everyone has tried to use a magnet to approach other metals to see if the magnet can attract them. However, the "experimental results" are often disappointing. Because [...]

How can it be regarded as a valuable strong magnet, and how to distinguish

How can it be regarded as a valuable strong magnet, and how to distinguish Now many people know that strong magnet is more valuable, but they are not very clear about what kind of strong magnet is, because there are many kinds of magnets, and some people ask whether it is strong magnet if the [...]

If a magnet keeps doing work, will its magnetism be weakened or even disappear?

If a magnet keeps doing work, will its magnetism be weakened or even disappear? There are many misconceptions about magnets and how they are magnetic. Since the magnetism of a magnet is invisible and intangible, it will be more abstract in the eyes of many people, and it is difficult to reflect it intuitively. First [...]

Magnetic Domains

Magnetic Domains In ferromagnetic materials, smaller groups of atoms band together into areas called domains, in which all the electrons have the same magnetic orientation. That's why you can magnetize them. See how it works in this tutorial. Electrons are teeny tiny magnets. They have a north and a south pole and spin around an [...]

What use are magnets?

What use are magnets? Maybe you think magnets are interesting; maybe you think they're boring! What use are they, you might ask, apart from in childish magic tricks and scrapyards? You might be surprised just how many things around you work by magnetism or electromagnetism. Every electric appliance with an electric motor in it (everything [...]

Magnetism Electricity: Theory of Electromagnetism

Magnetism Electricity: Theory of Electromagnetism Electromagnets show that you can make magnetism using electricity. In fact, as European scientists discovered in the 19th century, electricity always makes magnetism when it moves about or changes. Every time an electric current flows in a wire, it generates a magnetic field all around it. Changing electricity, in short, [...]

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