The time constant of a thermocouple is

1.	The time constant of a thermocouple is
A.	The time taken to attain the final temperature to be measured
B.	The time taken to attain 50% of the value of initial temperature difference
C.	The time taken to attain 63.2% of the value of initial temperature difference
D.	Determined by the time taken to reach 100°C from 0°C
Answer» D. Determined by the time taken to reach 100°C from 0°C

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The time constant of a thermocouple is

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