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Find the permeability of a medium whose susceptibility is 100.

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Find the permeability of a medium whose susceptibility is 100.

(a) -100

(b) 99

(c) -99

(d) 101

I have been asked this question during an interview for a job.

My question is taken from Magnetization topic in division Magnetic Forces and Materials of Electromagnetic Theory

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Right answer is (d) 101

For explanation: The susceptibility is given by χm = μr-1. To get permeability, μr = χm + 1 = 100 + 1 = 101 units.

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