TS EAMCET 4-Aug-2021 Shift 1 Question Paper

Section: Physics
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Question : 99 of 160
 
Marks: +1, -0
Two rods whose lengths are l1 and l2 with heat conductivity co-efficients k1 and k2 are placed end to end. The heat conductivity coefficient of a uniform rod of length l1+l2 whose conductivity is same as that of the system of these two rods is
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