<a href="http://www.zzoomit.com/wp-content/uploads/2019/07/Resistance-of-a-material-is-directly-proportional-to-e1562093611289.jpg"></a> Answer: <strong>Length </strong> Explanation: Resistance of a material (R) ={ <span>(ρ) Resistivity * (l) Length } / (A) Area of Cross Section </span> Resistance of a material is invesrsely proportional to Area of cross section
