Aluminum rod #1 is 1.0 m long with cross-section area 2.0 cm2 . Aluminum rod #2 is 2.0 m long with cross-section area 4.0 cm2 . Aluminum rod #3 is 3.0 m long with cross-section area 9.0 cm2 . If each rod has the same temperature difference applied across its ends, which rod has the greatest rate of transfer of energy between its ends?
a. #1
b. #2
c. #3
d. #2 = #3, both greater than #1
e. They each have the same rate.
c
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A. True B. False