A) is a constant
B) depends on cold junction temperature
C) depends on inversion temperature
D) double that of cold junction temperature
Correct Answer: A
Solution :
Neutral temperature is defined as temperature of a hot junction of a thermocouple at which the electromotive force of the thermocouple attains its maximum value when cold junction is maintained at a constant temperature of \[{{0}^{o}}C\]. Hence, for a given thermocouple neutral temperature is a constant.
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