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Grade:
        what is thermocouple and what is thermo emf?
5 years ago

Answers : (1)

Vasantha Kumari
askIITians Faculty
38 Points
							A thermocouple is a simple arrangement of two wires joined and they are connected to a high resistance millivoltmeter (Refer image given) . Thermocouples are superior to other thermometers as they can measure temperatures that fluctuate spontaneously. In the arrangement shown we see that the cold junction acts as a reference junction, while the hot junction is used to measure temperature.
The  EMF(E) developed is the thermoemf as given:

Thanks & Regards,
Vasantha Sivaraj,
askIITians faculty
181-947_Thermocouple_1.JPG
						
5 years ago
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