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Question
A wall has two layers A and B made of different materials. The thickness of both layers is the same. The normal conductivity of A and Bare KA and KB such that KA= 3KB.Thetemperatureacrossthewallis20C.Inthermalequilibrium
- thetemperaturedifferenceacrossAisl5C
- thetemperaturedifferenceacrossAis5C
- thetemperaturedifferenceacrossAisl0C
- therateoftransferofheatthroughAismorethanthatthroughB
The correct answer is: therateoftransferofheatthroughAismorethanthatthroughB
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