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  4. If the magnetizing field on a ferromagnetic material is increased, its permeability

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Q. If the magnetizing field on a ferromagnetic material is increased, its permeability

AIIMSAIIMS 2015

Solution:

Magnetic permeability of substance
$\mu=\frac{B}{H} \Rightarrow \mu \propto \frac{1}{H}$
where, $H$ is the magnetizing or magnetic field. So, the magnetizing field on a ferromagnetic material is increasing, its permeability decreased.