Two uniform brass rods A and B of lengths I and 2I and radii 2r and r, respectively are heated to th….

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Two uniform brass rods A and B of lengths I and 2I and radii 2r and r, respectively are heated to the same temperature. The ratio of the increase in the length of A to the increase in the length of B is

Options :-

1. 1 : 1
2. 1 : 2
3. 1 : 4
4. 2 : 1

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