All kinds of magnetic field around a magnetic bar and a magnetic force, magnetic force caused by the magnetic field is done of the atom. Arranged in an area known as the domain, go in the same direction. These pitches are north and south poles called linear momentum by the direction of the magnetic field or magnetic field running from the north pole to the South Pole The north pole of the magnet to attract the magnetic south pole of another. If the same polarity will repel each other.
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