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A magnet is an object that produces a magnetic field, which can attract or repel certain materials, primarily ferromagnetic substances like iron, nickel, and cobalt. Magnets have two poles, north and south, where the magnetic force is strongest. They can be permanent, retaining their magnetism over time, or temporary, exhibiting magnetism only when influenced by an external magnetic field. Magnets are widely used in various applications, including electric motors, generators, and magnetic storage devices.

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2mo ago

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