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The thermo emf of a therocouple , one ju...

The thermo emf of a therocouple , 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.

A

`(t+273)(a+2bt)`

B

`(t+273)(a-2bt)`

C

`(t-273)(a-2bt)`

D

`(t-273)(a-2bt)`

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