Q. Thermocouples are used to measure temperature in the linear parts of the emf versus temperature graph with cold junction at . The thermo-electric power of thermocouple are and microvolt per respectively. What will be the magnitudes of emfs of the thermocouple when the cold junction is at and the hot junction is at ?

Thermal Properties of Matter Report Error

A

4 mV

B

2 mV

C

3.2 mV

D

1.6 mV

Solution:

Magnitude of emf

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