Question

An aluminum bar and a copper bar of identical cross-sectional area have the same temperature difference between their ends and conduct heat at the same rate.
(a) The copper bar is (1) longer, (2) of the same length, (3) shorter than the aluminum bar. Why?
(b) Calculate the ratio of the length of the copper bar to that of the aluminum bar.


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  • CreatedAugust 29, 2015
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