Q. Antimony and bismuth are usually used in a thermocouple, because
A) Negative thermal $e$.m.f. is produced
B) Constant thermal $e$.m.f. is produced
C) Lower thermal $e$.m.f. is produced
D) Higher thermal $e$.m.f. is produced
Explanation
The correct answer is Option D: Higher thermal $e$.m.f. is produced.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.