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    Working with rods of different thermal conductivities

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    Which of the following cylindrical rods of the same material with its ends at the same steady difference of temperature will conduct maximum heat ?

    1. Lenght 100 cm & radius 1 cm

    2. length 200 cm & radius 1 cm

    3. length 400 cm & radius 2 cm

    4. length 100 cm & radius 2 cm

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    Solution Preview

    We have, the quantity of heat conducted

    Q = K A (t1 - t2)/d

    (t1 - t2) is the temperature difference existing ...

    Solution Summary

    Very detail answer with easy to understand steps. It will enable you to do similar problems yourself.