Establish the expression for intensity of magnetic field due to small magnet in end-on position
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Establish the expression for intensity of magnetic field due to small magnet in end-on position
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Consider a magnet NS of effective length 2l. The strength of each pole of this magnet is m. The magnetic field intensity at a point P on the axis of the magnet has to be determined. The distance of point P from the centre O of the magnet NS is d.
The intensity at point P due to the north pole (N) of the magnet.
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