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Electronics and Communication Engineering - Measurements and Instrumentation - Discussion

Discussion Forum : Measurements and Instrumentation - Section 4 (Q.No. 10)
Measurements and Instrumentation
10.
In a thermocouple two metal junctions between metals M1 and M2 are kept at temperature T1 and T2. The thermocouple emf is produced because
M1, M2 are similar and T1, T2 are equal
M1, M2 are similar but T1, T2 are unequal
M1, M2 are dissimilar but T1, T2 are equal
M1, M2 are dissimilar but T1, T2 are unequal
Answer: Option
Explanation:

The two materials in thermocouple are different and the two junctions are kept at different temperatures.

Discussion:
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