Question

define Resistivity !!???? ​

Answer 1

Resistivity, electrical resistance of a conductor of unit cross-sectional area and unit length. ... 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.

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Answer 2

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• Resistivity is also known as specific resistance.
• It is the resistance of the specific material; also it is specific to a material.
• R=ρ, If A and L =1 in Equation R= ρ (L/A).
• Resistivity is defined as resistance of unit length and unit area of a conductor.