Four uniform wires of the same material are stretched by the same force. The dimensions of wire are as given below. The one which has the minimum elongation has
  • Aradius $3\ mm$, length $3\ m$
  • Bradius $0.5\  mm$, length $0.5\ m$
  • Cradins $2\ mm$, length $2\ m$
  • Dradius $3\ mm$, length $2\ m$
Medium
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