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Dear student,
(a)When current is passed through a conductor, magnetic field is produced around it. When current is maintained in a coil, magnetic field is produced in it, where one face behaves like a north pole, and other as the south pole. Thus it behaves as a magnet.
Regards.
(a)When current is passed through a conductor, magnetic field is produced around it. When current is maintained in a coil, magnetic field is produced in it, where one face behaves like a north pole, and other as the south pole. Thus it behaves as a magnet.
Regards.