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For this, u need to rub the magnet to the object around 20 to 30 times. If not repeat again. Hope I helped u.. Plz mark as the BRAINLIEST answer..
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Lodestone or magnetite is a natural magnet because it is found in nature.It is found in very few places.It looks nothing other than an ordinary stone or rock.thus,it has no regular shape and size.It has a very low attracting power.Artificial magnets are prepared by men using elements like iron cobalt nickel or their  mixture with other elements.They are much stronger than natural magnets.Depending on requirement,these magnets are mad in various 
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Plz mark as the BRAINLIEST answer..
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