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Most suitable material for a thermocouple is ________(a) brass(b) gold(c) platinum(d) silverThe question was asked by my college director while I was bunking the class.Question is from Thermoelectric Transducer topic in chapter Transducers of Electrical Measurements

Answer»

Correct choice is (C) platinum

For EXPLANATION: Platinum is the most suitable material for constructing thermocouples. It has a very high sensitivity. Constantan is the other material (alloy) with a composition of 40 % of Ni and 60 % of CU USED in a thermocouple.



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