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The outer faces of a rectangular slab made of equal thickness of iron and brass and maintained at 100degree centrigate and 0 degree respectively. The temperature at the interface is

Ankita gupta , 5 Years ago
Grade 12th pass
anser 2 Answers
Arun

Last Activity: 5 Years ago

Rate of flow of heat energy through iron=rate of flow of heat energy through brass
KA(dT)/l= KA(dT)/l
As Area and length are same, therfore,
0.2(100-T)=0.3(T-0)
20-0.2T=0.3T
T=20/0.5
T=40°C

Vikas TU

Last Activity: 5 Years ago

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