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which of the following has the highest magnetic permeability ?

Option: 1

Paramagnetic substances


Option: 2

Diamagnetic substances


Option: 3

Ferromagnetic substances


Option: 4

Vacuum


Answers (1)

Ferromagnetic substances have a very high (of the order of 1000 or more) and positive susceptibility  \mathrm{(\chi) . Now ~\mu_r=1+\chi} . Hence the correct choice is (c).

Posted by

Ramraj Saini

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