robbiannb85831 robbiannb85831 Today at 12:46 AM Physics Answered Calculate the resistivity of the material of a wire 1 m long , 0.4 mm in diameter and having a resistance 2Ω.a. 300 Ωmb. 2.514 x 10⁻⁷ Ωmc. 2x10⁷ Ωmd. 1x10⁻¹⁵ Ωm