Two rods of same length and area of cross-section 
and 
have their ends at the same temperature. If 
and 
are their thermal conductivities, then the rate of flow of heat is the same in both the rods if
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
Rate of heat flow is 
For rate of heat flow to be the same, 
or 
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