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'''Resistivity''' ('''ρ''') is a property that quantifies the material's oppoistion to the flow of [[current]].
 
'''Resistivity''' ('''ρ''') is a property that quantifies the material's oppoistion to the flow of [[current]].
  

Revision as of 21:26, 5 August 2018

Resistivity (ρ) is a property that quantifies the material's oppoistion to the flow of current.

Overview

Resistivity is the inverse of conductivity which quantifies the material's ability to transport electric charge. Resistivity is measured in ohm meters or centimeters (Ω cm or Ω m).

The resistivity of a material can be derived from the equation for resistance:

Equation upper R equals rho StartFraction script l Over upper A EndFraction long right double arrow rho equals StartFraction upper R upper A Over script l EndFraction

Variability

Although considered to be a fundamental property of a material, the resistivity of the material depends on the operating conditions such as the temperature.


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