What happens when a permanent magnet is kept in contact with an iron nail for many days?
Ans: ...... it becomes a magnet for some time i.e it becomes a temporary magnet even after removing a permanent magnet.
Is it correct sir plss correct me if i wrong..
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When iron nails are kept in contact with permanent magnet the permanent magnet gradually loses its power slowly and iron rails also act as a magnet for some time which has very very low force of attraction
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Answer:
if a piece of iron is brought near a permanent magnet and is allowed to remain in contact with the magnet,then the piece of iron becomes a magnet for sometime
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