Q. A common rule of thumb to use for current required in circular magnetisation:

(A) 1000 amps/25mm of diameter
(B) 1000 ampere turns/25mm of diameter
(C) 1000 amps/25mm of prod spacing
(D) None of the above

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✅ Correct Answer: (B) 1000 ampere turns/25mm of diameter

Published by Mr. Dubey ⭐ 104.82K Points at 21-Sep-2023 07:17 pm in Non Destructive Testing and Evaluation

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