Three rods of same dimensions are arranged as shown in figure. They have thermal conductivities 
and 
. The points 
and 
are maintained at different temperatures. For the heat flow at the same rate along 
and 
, which of the following option is correct?
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
For the heat flow at the same rate along 
and 
，
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