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

Class 12th Physics, Question -If the magnetizing field on a ferromagnetic material is increased, its permeability

These are the options for the question :If the magnetizing field on a ferromagnetic material is increased, its permeability

(i) decreases
(ii) increases
(iii) remains unchanged
(iv) first decreases and then increases

The correct answer is -(i) decreases