Resistance and resistivity are related by a: A: factor that is dependent on the length of the material B: proportionality constant dependent on the source of the material C: factor that is dependent on the area of the materialD: proportionality constant dependent on the identity of the material

Physics · Middle School · Mon Jan 18 2021

Answered on

Here, option (D) is correct.

Resistance and resistivity are related by the proportionality constant dependent on the identity of the material. 

R = (rho × L)/A

Here,

L = Length of wire

rho = resistivity (proportionality constant) 

A = Area of cross section.