2 shows a thermocouple circuit J-type used in one temperature measurement system If the reference junction having T2 = 0°C and the output emf is 13.777 mV, whar temperature of the measuring junction, T,? If the circuit produces an emf of 15 mV for T) = 750°C, what is T2?

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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4. Figure 2 shows a thermocouple circuit J-type used in one temperature measurement system.
a) If the reference junction having T2 = 0°C and the output emf is 13.777 mV, what is the
temperature of the measuring junction, T1?
b) If the circuit produces an emf of 15 mV for T) = 750°C, what is T2?
A
T
В
A
Measuring
environment
Potentiometer
T2
Figure 2
Transcribed Image Text:4. Figure 2 shows a thermocouple circuit J-type used in one temperature measurement system. a) If the reference junction having T2 = 0°C and the output emf is 13.777 mV, what is the temperature of the measuring junction, T1? b) If the circuit produces an emf of 15 mV for T) = 750°C, what is T2? A T В A Measuring environment Potentiometer T2 Figure 2
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