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Magnetic Effect of Electric Current

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Magnet:, Magnet is any substance that attracts iron, cobalt, nickel and steel., Properties of Magnet:-, Every magnet has two poles i.e., North and South. These two, poles always exist together and can not be separated., 1., Similar to charges, poles attract and repel. Like poles repel, while unlike poles attract each other., 3. A freely suspended bar magnet aligns itself in nearly, north-south direction, with its north pole towards north, direction., 2.

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Force On A Current Carrying Conductor In A Magnetic Field:, An electric current flowing through a conductor, produces a magnetic field. The field so, produced exerts a force on a magnet placed in, the vicinity of the conductor., French scientist Andre Marie Ampere, (1775-1836) suggested that the magnet must, also exert an equal and opposite force on the, current-carrying conductor., The force due to a magnetic field acting on a, current-carrying conductor can be, demonstrated through the following activity.

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