A cylindrical tod having temperature 
and 
at its ends. The rate of flow of heat is 
cells. If all the linear dimensional are doubled keeping temperature constant, then rate of flow of heat 
will be
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
As, 
For rate of flow of heat 
is
If 
and 
, then
calls (using (i))
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