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Question:

The susceptibility of a magnetic material is -2.6 × 10⁻⁵. Identify the type of magnetic material and state its two properties.

Solution:

As the given susceptibility is small and negative so it will be diamagnetic material. The two properties of it are - i) When it is placed in a uniform magnetic field, it is feebly magnetized opposite to the magnetic field. ii) The relative permeability is positive and less than one.