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Which, among the following, have negative susceptibility?

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in Basic Electrical Engineering by (88.7k points)
Which, among the following, have negative susceptibility?

(a) Diamagnetic

(b) Paramagnetic

(c) Ferromagnetic

(d) Not a magnetic substance

This question was addressed to me in semester exam.

Question is from Permeability of Free Space or Magnetic Constant in chapter Simple Magnetic Circuits of Basic Electrical Engineering

1 Answer

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Correct option is (a) Diamagnetic

To explain I would say: Magnetic susceptibility is the degree of magnetisation of a material in response to the external magnetic field. Diamagnetic substances repel the magnetic field and hence have negative susceptibility.

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