A composite slab is prepared with two different materials 
and 
. The relation between their coefficient of thermal conductivity and thickness is given as 
and 
, respectively. If the temperature of faces of 
and 
are 
and 
respectively, what will be the temperature of common surface?
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
The given situation is shown below
In steady state, both slab have same rate of heat flow
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