write three differences between a bar magnet and an electromagnet
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bar magnet is permament , electromagnet is temporary
bar magnet is made of manganese,electromagnet is made of any metal
it is naturally made,electromagnet is man made
bar magnet is made of manganese,electromagnet is made of any metal
it is naturally made,electromagnet is man made
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electromagnets show magnetic property till they are connected to electricity bar magnet shows continously magnetic property . Electromagnets are usually horse shoe shape
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