The temperature of the cold junction of a thermocouple is 
and temperature of the hot junction is 
The thermo e.m.f. is given by the relation 
(where A = 16 and B = 0.08). The temperature of inversion is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
Let temperature of cold junction be 
and the of hot junction be 
.
The relation for thermo emf is given as 
Given, 
Since emf is zero at temperature of inversion we have
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