Two metal rods X and Y having equal cros...

Two metal rods X and Y having equal cross-sectional areas are joined in series. One end of which is heated. After some time, the temperature gradient along each rod is foound to be uniform, but greater in X than that in Y. Which of the following can be inferred

both the rods may be of different lengths

The heat current is the same in both the rods

Both the rods are of equal lengths

X is better conductor of heat than Y

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The correct Answer is:

A, B

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