why is it said that repulsion is a sure test of magnetism? how do you distinguish between a magnet and a bar magnet of Material by using this test? answer in hundred words.
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A magnet can attract the opposite pole of other magnet as well as the magnetic substance (iron cobalt nickel). When two magnets or magnetic objects with like poles face each other, a force of repulsion pushes them apart. ... But if the magnet repels the object, then we can say that the other object is a magnet
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