Question: If the emf of a thermocouple, one junction of which is kept 0°C is given by $e = at + 1/2bt^{2}$ t...

Question

If the emf of a thermocouple, one junction of which is kept 0°C is given by $e = at + 1/2bt^{2}$ then the neutral temperature will be

Answer 1

At neutral temperature, thermal emf will be maximum.

$\therefore\frac{de}{dt} = a + bt$

For maximum or minima, $a + bt_{n} = 0$

$\therefore t_{n} = - a/b$

Question: If the emf of a thermocouple, one junction of which is kept 0°C is given by \(e = at + 1/2bt^{2}\) t...