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The thermo emf of thermocouple varies wi...

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

A

`700^(@)C`

B

`350^(@)C`

C

`1400^(@)C`

D

No neutral temperature is possible for this

Text Solution

Verified by Experts

The correct Answer is:
D
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