Home
Class 12
PHYSICS
If the cold junction of a thermocouple i...

If the cold junction of a thermocouple is kept at `0^(@)C` and the hot junction is kept at `T^(@)C`, then the relation between neutral temperature `(T_(n))` and tempearture of inversion `(T_(i))` is

A

`T_(n) = T_(i) + T`

B

`T_(n) = T_(i) + T//2`

C

`T_(n) = 2T_(i)`

D

`T_(n) = T_(i) - T`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

If the cold junction of thermocouple is kept at 0^(@)C and the hot junction is kept at T^(@)C , then the relation between neutral temperature (T_(n)) and temperature of inversion (T_(i)) is

With the cold junction at 0^(@)C the neutral temperature for a thermo-couple is obtained at 270^(@)C . The cold junction temperature is now lowered to -10^(@)C Obta in the (a) neutral temperature (b) the temperature of inversion in this case.

With the cold junction at 0^(@)C the neutral temperature for a thermo-couple is obtained at 270^(@)C . The cold junction temperature is now lowered to -10^(@)C Obta in the (a) neutral temperature (b) the temperature of inversion in this case.

The temperature of the cold junction of thermo-couple is 0^(@)C and the temperature of hot junction is T^(@)C . The e.m.f . is E=16T-0.04 T^(2)mu volts. The temperature of inversion is

If the temperature of cold junction of thermocouple is lowered, then the neutral temperature

Show, with the help of a labelled graph, how thermo emf .e. developed by a thermocouple varies with theta , the temperature difference between the two junctions. On the graph, mark neutral temperature as theta_(N) and temperature of inversion as theta_(1) .

The cold junction of a thermocouple is at 0^(@)C . The thermo e.m.f. epsilon , in volts, generated in this thermocouple varies with temperature t^(@)C of the hot junction as epsilon=6+4t-(t^(2))/(32) . The neutral temperature of the thermocouple

Plot a labelled graph to show variation of thermo-emf .e. versus temperature difference .theta. between the two junctions of a thermocouple. Mark .N. as neutral temperature and I as temperature of inversion. (ii) What is Peltier effect ?

The temperature of inversion of a thermocouple is 620^(@)C and the neutral temperature is 300^(@)C . What is the temperature of cold junction?

The thermo emf of a thermocouple , one junction of which is kept at 0^(@)C , is given by varepsilon=at+bt^(2) where a and b constants of the thermocouple . Calculate the neutral temperature and peltier and Thomson coefficients.