The temperature at which thermal electric power of a thermo... | PHYSICS - THERMO-ELECTRICITY | SolveeIt | Solveeit

Today, August 19

Question

The temperature at which thermal electric power of a thermo couple becomes zero is called

A

Inversion temperature

B

Neutral temperature

C

Junction temperature

D

Null temperature

Answer

Neutral temperature

Explanation

Solution

Thermo-electric power $P = \frac{dE}{d\theta};$ at t_n, E → maximum. So P → zero.