Three conducting rods of same material and cross-section are shown in – McqOptions

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1.	Three conducting rods of same material and cross-section are shown in figure. Temperatures of A, D and C are maintained at \[20{}^\circ C,\text{ }90{}^\circ C\] and \[0{}^\circ C\]. The ratio of lengths of BD and BC if there is no heat flow in AB is:
A.	44379
B.	44234
C.	44236
D.	44441
Answer» C. 44236

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