In which case there is maximum extension in the wire, if same force is applied on each wire
  • A$L = 500\, cm, d = 0.05\, mm$
  • B$L = 200 \,cm, d = 0.02 \,mm$
  • C$L = 300 \,cm, d = 0.03 \,mm$
  • D$L = 400\, cm, d = 0.01\, mm$
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