Q. The cold junction of a thermocouple is maintained at $10℃.$ No thermo $e$.m.f. is developed when the hot junction is maintained at $530℃.$ The neutral temperature is
A) $260℃$
B) $270℃$
C) $265℃$
D) $520℃$
Explanation
(b) $T_{n} = \frac{T_{i} + T_{c}}{2} = \frac{10 + 530}{2} = 270℃$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.