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Q. Substances, when placed in a magnetic field acquire feeble magnetisation in the direction opposite to that of the applied field are called

AMUAMU 2017

Solution:

Diamagnetic substances are those substances which have the tendency to move from stronger to weaker part of the magnetic field. Thus, when a bar of diamagnetic material is placed in an external magnetic field, the field lines are repelled or expelled and lines inside the material is reduced. This implies, it acquires feeble magnetisation in the direction opposite to that of the applied field.