If the cold junction is held at 0^{\circ} {\C}, the same thermo emf V of a thermocouple varies as V=10 \times 10^{-6} t-\frac{1}{40} \times 10^{-6} t^2, where t is the temperature of the hot junction in { }^{\circ} {\C}. The neutral temperature and the maximum value of thermo emf are respectively :

Correct Answer is : 200∘C;1mV

EAMCET Engineering 2006 Solved Paper

Section: Physics

Question : 33 of 160

Marks: +1, -0

If the cold junction is held at 0∘C, the same thermo emf V of a thermocouple varies as V=10×10−6t−‌

×10−6t2, where t is the temperature of the hot junction in ‌∘C. The neutral temperature and the maximum value of thermo emf are respectively :

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