If the emf of a thermocouple, one junction of which is kept is given by then the neutral temperature will be |
|||||||
a) |
b) |
c) |
d) |
If the emf of a thermocouple, one junction of which is kept is given by then the neutral temperature will be |
|||||||
a) |
b) |
c) |
d) |
(b) When temperature of the hot junction of a thermocouple rises, the thermo-emf increases and becomes maximum at a particular temperature. This temperature is called neutral temperature. Given, Differentiating with respect to we get For maximum value of |