Q.

Four wires of same material and of dimensions as mentioned below are stretched by a load of same magnitude separately. Which one of them will be elongated maximum?
(a)Wire of 1 m length and 2 mm diameter Right sign
(b)Wire of 2 m length and 2 mm diameter
(c)Wire of 5 m length and 105 mm diameter
(d)Wire of 1 m length and 1 mm diameter
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