Two wires A and B are made of same mater...

Two wires A and B are made of same material. The wire A has a length l and diameter r while the wire B has a length l and diameter r while the wire B has a length 2l and diameter r/2. If the two wires are stretched by the same force the elongationn in A divided by the elongation in B is

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HC VERMA-SOME MECHANICAL PROPERTIES OF MATTER-Objective 1

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