Q. The retentivity of a material describes:

(A) The length of time required to demagnetise it
(B) The depth of the magnetic field in the part
(C) The ability to retain the magnetic field
(D) The ease with which it can be demagnetized

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✅ Correct Answer: (C) The ability to retain the magnetic field

Published by Mr. Dubey ⭐ 111.54K Points at 21-Sep-2023 07:18 pm in Non Destructive Testing and Evaluation

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