Answer all questions. Explain what each of the following is in relation to thermocouples: (a) extension...

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Electrical Engineering

Answer all questions. Explain what each of the following is inrelation to thermocouples: (a) extension leads, (b) compensatingleads, (c) law of intermediate metals, (d) law of intermediatetemperature.

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ThermocouplesaExtension leadsTthermocouples are typically only a few centimeters long It isclearly impractical to connect a voltagemeasuring instrument atthe open end of the thermocouple to measure its output in suchclose proximity to the environment whose temperature is beingmeasured and therefore extension leads up toseveral meters long are normally connected between the thermocoupleand the measuring instrumentA nearzero junction voltage is most easily achieved by choosingthe extension leads to be of the same basicmaterials as the    See Answer
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