Q. Nickel is used in

(A) cutting tools
(B) automatic voltage regulators
(C) electrodes of thermionic valves
(D) pressure sensitive elements

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✅ Correct Answer: (C) electrodes of thermionic valves

Published by Mr. Dubey ⭐ 104.85K Points at 18-Sep-2023 09:17 pm in Engineering Materials

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