Question

define resistivity of a substance ?​

Answer 1

Answer:

Resistivity of a substance is the opposition to the flow of electric current by a rod of that substance which is 1 m long and 1m2 in cross section

Explanation:

Answer 2

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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.

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