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Chromel-constantan thermopile consists of 25 thermocouples.(a) True(b) FalseThe question was posed to me during an online interview.Origin of the question is Thermoelectric Transducer topic in section Transducers of Electrical Measurements |
Answer» CORRECT answer is (a) True The explanation: A chromel-constantan thermopile provides a sensitivity of 1 mv/°F. It is made up of 25 thermocouples. Temperature variation as small as 0.001°F can be MEASURED USING this thermopile. |
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