A cylinder of radius 
is surrounded by a cylindrical shell of inner radius 
and outer radius. 
The thermal conductivity of the material of the inner cylinder is 
and that of the outer cylinder is 
. Assuming no loss of heat, the effective thermal conductivity of the system for heat flowing along the length of the cylinder is:
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
JEE Main 2019
Effective thermal conductivity of system
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
Temperature difference of is maintained between two ends of a uniform rod of length . Another be…
A heat source at is connected to another heat reservoir at by a copper slab which is thick. Give…
Two identical beakers and contain equal volumes of two different liquids at each and left to coo…
Two materials having coefficients of thermal conductivity and and thickness and ' ', respective…