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A thermo- couple is formed by Mn and Hg ...

A thermo- couple is formed by Mn and Hg . The current flows _________ .

A

from Mn to Hg at cold junction

B

from Hg to Mn at cold junction

C

from Hg to Mn at hot junction

D

when Mn and Hg are at same temperature

Text Solution

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The correct Answer is:
b
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