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The temperature drop through each layer of a two layer furnace wall is shown in Assume that the external temperature `T_(10` and `T_(3)` are mainitained constant and `T_(1)gtT_(3)` If the thichness of the layers `x_(1)` and `x_(2)` are the same which of the following statements are correct
.

A

`k_(1)gtk_(2)`

B

`k_(1)ltk_(2)`

C

`k_(1)=k_(2)` but heat flow through material (1) is larger then through(2)

D

`k_(1)=k_(2)` but heat flow through material (1) is less than that through (2)

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The correct Answer is:
A
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