The two ends of a metal rod are maintained at temperatures 
and 
. The rate of heat flow in the rod is found to be 
. If the ends are maintained at temperatures 
and 
, the rate of heat flow will be
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
Here, 
= 4 J/s
?
As, 
Also 
Hence, 
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