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Relative magnetic permeability is unit less.(a) True(b) FalseThe 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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Answer» 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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