Q: In a thermocouple thermometer, one junction is at 0°C and other is at t°C, e.m.f. is given by E=at2 – bt3. Neutral temperature is (in °C ) एक तापयुग्म तापमापी में, एक सन्धि 0°C पर तथा दूसरी t°C पर है। वि० वा० ब० E=at² – bt³ द्वारा दिया जाता है। उदासीन ताप है ( °C में) है
A.
B.
C.
D.
Correct Answer:
Option B -
Explanations:
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