Question 0A load of 20N on a wire of cross-sectional area 8 x 10-7m2, produces an extension of 10m2. calculate Young's modulus for the material of the wire if its length is 3mA.7.0 x 1011Nm-2B.7.5 x 1011Nm-2C.8.5 x 1011Nm-2D.9.0 x 1011Nm-2E.Objective Show full explanation