State two reasons , why do we need the artificial magnets ?
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1)artificial magnet like electromagnet used to lift heavy object.
2)They are used in electric motor to produce an electric field and to cause rotation of the motor
2)They are used in electric motor to produce an electric field and to cause rotation of the motor
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answer:
an artificial magnet is a magnet made by people // humans. we need artificial magnets because natural magnets are not magnetically strong and have irregular shapes whereas artificial magnets can be given a desired shape and are very strong. :)
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