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What are the conditions of the conducting materials with respect to melting point and resistance to corrosion?

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What are the conditions of the conducting materials with respect to melting point and resistance to corrosion?

(a) high melting point, low resistance to corrosion

(b) low melting point, low resistance to corrosion

(c) high melting point, high resistance to corrosion

(d) low melting point, high resistance to corrosion

The question was asked during an interview.

This key question is from Electrical Conducting Materials topic in portion Electrical Engineering Materials of Design of Electrical Machines

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Best answer
Right option is (c) high melting point, high resistance to corrosion

The best explanation: High melting point, allows the materials to withstand low temperatures.  High resistance to corrosion allows the material to avoid corrosion, to conduct effectively.

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