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82. 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

Answer-d

(11)

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