Two slabs 
and 
of different materials but of the same thickness are joined end to end to form a composite slab. The thermal conductivities of 
and 
are 
and 
respectively. A steady temperature difference of 
is maintained across the composite slab. If 
, the temperature difference across slab A is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
Rate of heat flow through rod will be given by
.
Using 
or 
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