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A slab consists of two layers of different materials of the same thickness and having thermal conductivities `K_(1)` and `K_(2)`. The equivalent therm

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A slab consists of two layers of different materials of the same thickness and having thermal conductivities `K_(1)` and `K_(2)`. The equivalent thermal conductivity of the slab is
A. K1 + K2
B. K1 + K2/2
C. 2K1 + K2 /K1 + k2
D. K1 + K2/2KK2
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1 Answer

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Correct Answer - B
`(K_(eq))_(11)= (k_(1)+k_(2))/2`
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