Q. Magnetic lines of force:

(A) Travel in straight lines
(B) Form a closed loop
(C) Are randomly oriented
(D) Overlay in highly ferromagnetic materials

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✅ Correct Answer: (B) Form a closed loop

Published by Mr. Dubey ⭐ 104.82K Points at 21-Sep-2023 07:18 pm in Non Destructive Testing and Evaluation

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