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The expression for thermo emf in a therm...

The expression for thermo emf in a thermocouple given by the relation `E=40theta-(theta^(2))/(20)`, where `theta` is the temperatue difference of two junctons. For this, the neutral temperature will be

A

`400^(@)C`

B

`300^(@) C`

C

`200^(@)C`

D

`100^(@)C`

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A
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-PRACTICE SET 21-PAPER 1 (PHYSICS & CHEMISTRY)
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