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The time constant of a thermocouple is | |
A. | the time taken to attain the final temperature to be measured [Wrong Answer] |
B. | the time taken to attain 50% of the value of initial temperature difference [Wrong Answer] |
C. | the time taken to attain 63.2% of the value of initial temperature difference [Correct Answer] |
D. | determined by the time taken to reach 100°C from 0°C [Wrong Answer] |
E. | none of the above. [Wrong Answer] |