MHT CET Physics question

Physics Thermodynamics MHT CET

Which of the following thermocouple produces the maximum thermo e. m. f. for the same temperature difference between hot and cold junctions ?

(A)Copper-bismuth
(B)Antimony-bismuthCorrect
(C)Iron-nickel
(D)Copper-iron

Answer: (B)

Solution

The emf is larger the farther apart the two metals lie in the Seebeck series; antimony and bismuth are at opposite

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Question ID VK-045116