Q. When a magnetic field cuts across a crack:

(A) Electrons begin jumping back and forth across the crack
(B) The crack begins to heat up
(C) Magnetic poles form at the edges of the crack
(D) All of the above

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✅ Correct Answer: (C) Magnetic poles form at the edges of the crack

Published by Mr. Dubey ⭐ 111.54K Points at 21-Sep-2023 07:19 pm in Non Destructive Testing and Evaluation

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