The thermo e.m.f. E in volts of a certain thermocouple is found to vary
Channel: Doubtnut
Date: 2020-02-02

The thermo e.m.f. E in volts of a certain thermocouple is found to vary with temperature difference q in `.^(@)C` between the two junctions according to the relation `E=30 theta-(theta^(2))/(15)` The neutral temperature for the thermo-couple will be:-