Question
Thermo emf set up in thermocouple varies as E = aT – 1/2 bT2, where a, b are constant and T is temperature in kelvin. If a = 16.3 μV/°C and b = 0.042 μV/(°C)2, then inversion temperature is
- 776 °C
- 388 °C
- 279 °C
- none of these
Solution
B.
388 °C
