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Select the correct option from below for the particular description of arrangement. When two wires of different material are joined together at either end, forming two junctions which are maintained at different temperature, a thermo-motive force is generated causing a current to flow around the circuit.(a) thermocouple(b) thermalpair(c) thermistor(d) thermostatThis question was posed to me at a job interview.Question is taken from Essential Parameters for Telemedicine in section Telemedicine Technology of Biomedical Instrumentation

Answer»

Right CHOICE is (a) THERMOCOUPLE

Easiest explanation: The junction at a higher temperature in thermocouple is termed as measuring junction. This arrangement is called thermocouple.The junction at a LOWER temperature in the thermocouple is called the REFERENCE temperature.



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