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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 |
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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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