Two identical metal of thermal conductivities $K_1$ and $K_2$ respectively are connected in series. The effective thermal conductivity of the combination is:

[JEE Main 2021, 25 July (Shift 1)]

Question

Two identical metal of thermal conductivities $K_1$ and $K_2$ respectively are connected in series. The effective thermal conductivity of the combination is: [JEE Main 2021, 25 July (Shift 1)]

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Two identical metal of thermal conductivities \(K_1\) and \(K_2\) respectively are connected in series. The effective th…

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