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Thermal Properties of Matter

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Thermal Physics

Thermal Properties of Matter
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  1. The temperature of inversion of a thermo-couple is 620°C and the neutral temperature is 300°C. What is the temperature of cold junction?
    1. 320°C
    2. 20°C
    3. –20°C
    4. 40°C
Correct Option: C

θn =
θc + θi
2

∴ θc = 2θn – θi
= 2(300) – 620 = –20°C


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