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So the dipole moments of the atoms point in the same direction as the.. . .
applied B field. But, the magnetic fields created by the atomic dipoles
point in the opposite direction as their dipole moment: the dipole
moment is from S to N; the field they create is directed from N to S.
Since the magnetic fields created by the atomic dipoles point in the
opposite (antiparallel) direction as their dipole moment, they also
point in the opposite direction as the external field of the horseshoe
magnet. I would reason, therefore, that the field created by the
dipoles in the paramagnetic material COUNTERACTS the field of the
horseshoe magnet.