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Consider a compound slab consisting of two different materials having equal thickness and thermal conductivities K and 2 K respectively. The equivalent thermal conductivity of the slab is |
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Answer» `2/3K` `K_(s)=(2K_(1)K_(2))/(K_(1)+K_(2))=(2K.2K)/(K+2K)=(4K^(2))/(3K)=(4)/(3)K`. Correct choice is (d). |
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