A partition wall has two layers 
and 
in contact, each made of a different material. They have the same thickness but the thermal conductivity of layer 
is twice that of layer 
. If the steady state temperature difference across the wall is 
, then the corresponding difference across the layer 
is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
Suppose conductivity of layer B is K, then it is 2K for layer A. Also conductivity of
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