Civil Engineering - Elements of Remote Sensing - Discussion

Discussion Forum : Elements of Remote Sensing - Section 1 (Q.No. 48)
Pick up the correct statement from the following:
Permeability is a measure of conducting the magnetic lines of force in the material.
Permeability is a measure of the extent to which magnetic lines of force can penetrate a medium.
Permeability is expressed as the ratio of the magnetic flux density (B) to the field strength of the magnetizing field.
The force between the magnetic poles is inversely proportional to the permeability of the medium.
All of these
Answer: Option
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