Posted by **dmkp** on Friday, February 22, 2013 at 6:04am.

The change in length of a steel wire under an applied load can be halved by keeping all other conditions constant but using:which of the following is correct

A. a different material having a Young's modulus half that of steel

B half the cross sectional area of the steel wire

C half the length of steel wire

D half the radius of the steel wire

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