If the length of metal rod is doubled its radius of cross section is halved, how does the coeffcient of thermal conducitivity of that rod change ?

If the length of metal rod is doubled its radius of cross section is h

1.	If the length of metal rod is doubled its radius of cross section is halved, how does the coeffcient of thermal conducitivity of that rod change ?
Answer» SOLUTION :REMAINS UNCHANGED. The value of K depends only on nature of MATERIAL.