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93. Two similar wires under the same load yield elongation of

Two similar wires under the same load yield elongation of 0.1 mm and 0.05 mm respectively. If the area of cross- section of the first wire is 4mm2 then the area of cross section of the second wire is

(a)  6 mm2                                     (b) 8 mm2

(c)  10 mm2                                   (d)  12 mm2

Answer-b

(7)

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