A steel rod is pulled in tension with a stress that is less than the yield strength. The modulus of elasticity may be calculated as (A) Axial stress divided by axial strain (B) Axial stress divided by...

A steel rod is pulled in tension with a stress that is less than the yield strength. The modulus of elasticity may be calculated as (A) Axial stress divided by axial strain (B) Axial stress divided by change in length (C) Axial stress times axial strain (D) Axial load divided by change in length