Question

magnetic susceptibility

Answer 1

heya mate here is your answer
Magnetic susceptibility is a dimensionless proportionality constant that indicates the degree of magnetization of a material in response to an applied magnetic field. A related term is magnetizability, the proportion between magneticmoment and magnetic flux density.
units of magnetic susceptibility ⬇️⬇️⬇️⬇️⬇️⬇️⬇️⬇️
Magnetic Field StrengthHampere/metre (A m-1)Magnetic fluxweber (Wb)Magnetic Induction Magnetic Flux DensityBtesla (T)Magnetic susceptibilityenone e.t.c
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Answer 2

Hey !!

We know that, both diamagnetic and paramagnetic substances develop a magnetic moment depending on the applied field. Magnetic suspceptibility is a measure of how easily a susbtance a magnetised in a magnetising field. For paramagnetic and diamagnetic substances I(bar) , H (bar) and хm are related by the equation

                 I(bar) = хm H(bar)

(OR)                    хm = I/H

Thus, the magnetic susceptibility хm may be defined as the ratio of the intensity of magnetisation to the magnetic intensity of the magnetising field.

Since, I and H have the same units, хm is unitless. It is a pure number.

By doing simple calculation we can prove that μr = 1 + xm

For paramagnetic substances xm is slightly positive. For diamagnetic it is slightly and for ferromagnetic substances xm is positive xm is positive and very large.

NOTE :- This much information is sufficient for JEE - MAINS , Board exams and for other exams.

Good Luck !!