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
llm
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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.