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Que. Let us say thermal conductivity of a wall is governed by the relation k = k0 (1 + α t). In that case the temperature at the mid-plane of the heat conducting wall would be
a. Av. of the temperature at the wall faces
b. More than average of the temperature at the wall faces
c. Less than average of the temperature at the wall faces
d. Depends upon the temperature difference between the wall faces
Correct Answer:More than average of the temperature at the wall faces
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