robbiannb85831 robbiannb85831 25-01-2024 Physics contestada 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