The area of cross section of a steel wir...

The area of cross section of a steel wire `(Y=2.0xx10^11 N//m^2)` is `0.1 cm^2`. The force required to double its length will be

(A) `2xx10^12 N`

(B) `2xx10^11 N`

(D) `2xx10^6 N`

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