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Four identical rods which have thermally...

Four identical rods which have thermally insulated lateral surface are joined at point O. Points A,B,C and D are connected to furnace maintained at constant tempertures. If the heat flows into the junction O from A at the rate of 2J/s and from B at 4J/s and flows out towards C is 8J/s. Chosse the correct relation.

A

`T_(A)ltT_(0)`

B

`T_(0)ltT_(C)`

C

`T_(A)=T_(D)`

D

`(T_(B))=T_(D)`

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