Question

why are artificial magnets preferred over natural magnets?

Answer 1

Natural Magnet:
A magnet that occurs naturally and is not made by any artificial means is called as Natural magnet.
Example:
Magnetite is the only natural magnet known to man in the form of iron ore.

Artificial Magnet:
A substances to which properties of a natural magnet are imparted by artificial means is called Artificial Magnet.
For the following reasons we prefer artificial magnets over natural magnets:
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1.They can be made very powerful which is not possible in case of natural magnets.
2.They can be made in any desired shape or size which is not possible in case of natural magnets which break when shaped with cutting tools.
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Answer 2

Natural magnets are substances which occur naturally and have magetic properties.
Artificial magnets are substances which can be made by rubbing natural magnets on iron and steel.
Artificial magnets have properties of natural magnets that are imparted by artificial way.
Artificial magnets are more preferred compared to natural magnets because they can be made powerful according to our requirement.