The thermo emf of thermocouple varies with the temperature `theta of the hot junction
Channel: Doubtnut
Date: 05/07/2020

The thermo emf of thermocouple varies with the temperature `theta of the hot junction as `E = atheta + btheta^2` in volts where the ratio `a//b` is `700^@C`. If the cold junction is kept at `0^@C`, then the neutral temperature is