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The emf in a thermooelectric circuit wit...

The emf in a thermooelectric circuit with one junction at `0^(@)C` and other at `t^(@)C` is given by `E=At-Bt^(2)`, the neutral temperature is , then

A

`A//B`

B

`-A//2B`

C

`-B//2A`

D

`A//2B`

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The correct Answer is:
D
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