Heat and Thermal ExpansionHard
Question
Three rod of some dimensions are arranged as shown in the figure. They have thermal conductivities k1, k2 & k3. The points A and B are maintained at different temperature .
Options
A.k3 = 2 (k1 + k2)
B.k3 = 
C.k3 = k1 + k2
D.k3 = 
(k1 + k2)
(k1 + k2)
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