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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
Options:
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
Answer: Option B
Answer: (b).More than average of the temperature at the wall faces

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