define the term resistivity
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Resistivity is the longitudinal electrical resistance of a uniform rod of unit length and unit cross-sectional area : the reciprocal of conductivity.
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Answer:
resistivity, electrical resistance of a conductor of unit cross-sectional area and unit length.
Explanation:
A characteristic property of each material, resistivity is useful in comparing various materials on the basis of their ability to conduct electric currents. High resistivity designates poor conductors. it's si unit ohm × metre (Ωm) conductor of length 1 m and area of cross-section 1m 2
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