Wires X and Y are made from the same material. Wire Y has twice the diameter and is under twice the tension of wire X. Both wires obey Hooke’s law and start with the same original length. If wire X extends by $e$, what extension does wire Y have?
- A$\frac{e}{4}$
- B$\frac{e}{2}$
- C$e$
- D$2e$