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question mark

Three identical rods A B and C are placed into and temperature difference is maintained between the free ends of a and c are thermal conductivity of B is thrice that of c and half of that of A effective thermal conductivity of the system in (ka is the thermal conductivity of rod)
2ka
2/3Ka
3Ka
1/3Ka

Sudhanva G V , 7 Years ago
Grade 11
anser 1 Answers
Arun
Dear student 
 
 I am getting my answer as 1/3 KA.
hence option D is correct.
 
hope it helps
 
Regards
Arun (askIITians Forum expert)
Last Activity: 7 Years ago
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