(A) In a thermoelectric series,the direction of current flow at the cold junction is from the metal that appears later in the series to the metal that

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flow from Antimony to Bismuth at the cold junction

(A) In a thermoelectric series,the direction of current flow at the cold junction is from the metal that appears later in the series to the metal that appears earlier.For an Antimony-Bismuth thermocouple,the thermoelectric series order is Bismuth followed by Antimony.Therefore,at the cold junction,the current flows from Antimony to Bismuth.This creates a continuous loop where the current flows from Bismuth to Antimony at the hot junction.

Class 12 Physics Current Electricity Mix Examples-Current Electricity

Medium

$A$ thermocouple is made from two metals,Antimony and Bismuth. If one junction of the couple is kept hot and the other is kept cold,then,an electric current will

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A
flow from Antimony to Bismuth at the cold junction
B
flow from Antimony to Bismuth at the hot junction
C
flow from Bismuth to Antimony at the cold junction
D
no flow through the thermocouple

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$A$ thermocouple is made from two metals,Antimony and Bismuth. If one junction of the couple is kept hot and the other is kept cold,then,an electric current will

Similar Questions

Two heating coils, one of fine wire and the other of thick wire of the same material and of the same length, are connected in series and in parallel. Which of the following statements is correct?

When a current of $1\, A$ is passed through a conductor whose ends are maintained at a temperature difference of $1\, ^oC$,the amount of heat evolved or absorbed is called:

The Peltier coefficient of a thermocouple is $2 \times 10^{-9} \, V$. How much heat is developed at a junction if a $2.5 \, A$ current flows for $2 \, min$?

What is the equivalent resistance between the points $A$ and $B$ of the network in $\Omega$?

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