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What is the temperature at which the lower junction in thermocouple is maintained?(a) 0 K(b) 273 K(c) -327 K(d) -273 KI had been asked this question in an internship interview.This interesting question is from Essential Parameters for Telemedicine in chapter Telemedicine Technology of Biomedical Instrumentation

Answer» RIGHT option is (b) 273 K

Best explanation: The lower temperature JUNCTION in THERMOCOUPLE is maintained at273 K (0*C). The junction at lower temperature in the thermocouple is CALLED the reference temperature. The junction at a higher temperature in thermocouple is termed as measuring junction.


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