1.

For copper-iron (Cu-Fe) couple, the thermo e.m.f. (temperature of cold junction\[=0{}^\circ C\]) is given by\[E=(14\theta -0.02{{\theta }^{2}})\mu V\]. The neutral temperature will be

A.            \[350{}^\circ C\]                 
B.            350 K
C.            \[560{}^\circ C\]                 
D.            560 K
Answer» B.            350 K


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