M

Mr. Dubey • 52.30K Points
Coach 

Q. Retentivity:

(A) Represents the ability to induce magnetism in a ferromagnetic body by an outside magnetising force
(B) Represents the ability of a material to resist the establishment of magnetic flux within it
(C) Represents the ability of a material to retain a portion of the magnetic field set up in it after the magnetising force has been removed
(D) Is not a term used in magnetic particle testing

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