Where do we get Magnet from ?
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The Earth itself is a huge magnet. Some magnets, known as permanent magnets, exert a force on objects without any outside influence. The iron ore magnetite, also known as lodestone, is a natural permanent magnet. Other permanent magnets can be made by subjecting certain materials to a magnetic force....
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from earth. earth itself is a magnet. it has north pole and south pole .
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