Pick up the correct statement from the following ?

Elements of Remote Sensing 11/05/2020

A. Permeability is a measure of conducting the magnetic lines of force in the material
B. Permeability is a measure of the extent to which magnetic lines of force can penetrate a medium
C. Permeability is expressed as the ratio of the magnetic flux density B. to the field strength of the magnetizing field
D. All of these

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