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Three different arrangemnets of matrials...

Three different arrangemnets of matrials `1` and `2,3` to from a wall Thremal conductivities are `k_(1) gt k_(2) gt k_(3)` The left side of the wall is `20^(@)C` higher than the right side Temperature difference `DeltaT` across the material 1 has following relation in three cases

A

`DeltaT_(a)gtDeltaT_(b)gtDeltaT_(c)`

B

`DeltaT_(a)=DeltaT_(b)=DeltaT_(c)`

C

`DeltaT_(a)=DeltaT_(b)gtDeltaT_(c)`

D

`DeltaT_(a)=DeltaT_(b)ltDeltaT_(c)`

Text Solution

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The correct Answer is:
B
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