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Two different met.al rods of equal lengths and equal areas of cross -section have their ends kept at the same temperatures theta_(1) and theta_(2) .If k_(1) and K_(2) are their thermal conductivities, rho_(1) and rho_(2) their densities and s_(1) and s_(2) their specific haat. then the rate of flow of heat in the two rods will be the same if |
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Answer» `(k_(1))/(k_(2)) = (rho_(1) s_(1))/(rho_(2) s_(2))` |
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