1.

The temperature of the cold junction of a thermocouple is \[{{0}^{o}}C\] and temperature of the hot junction is \[{{T}^{o}}C.\] The thermo e.m.f. is given by the relation \[E=AT-\frac{1}{2}B{{T}^{2}}\] (where A = 16 and B = 0.08). The temperature of inversion is [AIIMS 2001]

A.            \[{{100}^{o}}C\]                  
B.            \[{{300}^{o}}C\]
C.            \[{{400}^{o}}C\]                  
D.            \[{{500}^{o}}C\]
Answer» D.            \[{{500}^{o}}C\]


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