Two wires A and B are made of the same m...

Two wires A and B are made of the same metal. Diameter of A is double that of B and the length of A is thrice that of B. IF both the wires are stretched by the same force to elongate them equally within elastic limit, then the ratio of energy stored in the wires A and B will be

`2:3`

`3:4`

`3:2`

`6:1`

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