| ASSERTION: Neutral temperature of a thermocouple does not depend upon temperature of cold junction. |
| REASON: Its value is constant for the given metals of the couple. |
A) If both assertion and reason are true and reason is the correct explanation of assertion.
B) If both assertion and reason are true and reason is not the correct explanation of assertion.
C) If assertion is true but reason is false.
D) If both assertion and reason are false.
E) If assertion is false but reason is true.
Correct Answer: B
Solution :
Neutral temperature is the temperature of hot junction, at which the thermo-emf produced in the thermocouple becomes maximum. It is independent of cold junction and depends on the nature of materials of two metals used to form thermocouple.
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