Resistivity

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Resistivity

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In electricity, a characteristic proportionality factor equal to the resistance of a centimeter cube of a substance to the passage of an electric current perpendicular to two parallel faces. Also called specific resistance. ''R = ρ( l/A ) where R is the resistance of a uniform conductor, l is the length, A is its cross-sectional area, and ρ is its resistivity. [[/a>|/a> ]]

References

This article is based on NASA's Dictionary of Technical Terms for Aerospace Use