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Relative magnetic permeability is unit less.

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in Physics – Class 12 by (135k points)
Relative magnetic permeability is unit less.

(a) True

(b) False

The question was asked by my school teacher while I was bunking the class.

This key question is from Magnetic Properties of Materials topic in portion Magnetism and Matter of Physics – Class 12

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Correct choice is (a) True

To elaborate: Yes, relative magnetic permeability is a unit less constant of magnetic substance. Relative magnetic permeability (μr) of a magnetic substance is defined as the ratio of its magnetic permeability to the permeability of free space. The expression for it is given as:

μr=\(\frac {μ}{\mu_o}\)

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