magnet

Magnetism is a bodily phenomenon that arises from the movement of electrical costs. A magnet is a cloth that may entice or repel different magnets or magnetic supplies. Magnets may be both everlasting or non permanent. Everlasting magnets retain their magnetic properties indefinitely, whereas non permanent magnets solely exhibit magnetic properties when they’re within the presence of a magnetic area.

There are various other ways to make a magnet. One widespread methodology is to stroke a ferromagnetic materials, similar to iron, with a everlasting magnet. This can align the magnetic domains within the ferromagnetic materials, making a everlasting magnet. One other methodology is to go an electrical present by way of a coil of wire. This can create a magnetic area across the coil, which can be utilized to magnetize ferromagnetic supplies.

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U-shaped magnets, also referred to as horseshoe magnets, are everlasting magnets with a U-shaped cross-section. They’re generally utilized in a wide range of functions, together with motors, turbines, and loudspeakers. U-shaped magnets may be created from a wide range of supplies, together with iron, metal, and neodymium.

The magnetic area of a U-shaped magnet is strongest on the poles, that are positioned on the ends of the U. The magnetic area strains circulation from the north pole to the south pole, and they’re strongest within the area between the poles. The power of the magnetic area decreases with distance from the poles.

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