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Five rods of same dimensions are arrange...

Five rods of same dimensions are arranged as shown in the figure. They have thermal conductivities `k_(1),k_(2),k_(3) and k_(5)`. When points A and C are maintained at different temperature, no heat flows through the central rod if

A

`K_1K_4=K_2K_3`

B

`K_1=K_4 and K_2=K_3`

C

`K_1/K_4 = K_2/K_3`

D

`K_1K_2=K_3K_4`

Text Solution

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The correct Answer is:
A
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