Question

what do you understand by resistivity of a substance​

Answer 1

Answer:

Explanation:

Resistivity or specific resistance of a body is a characteristic by which one can judge the electrical property of a substance. ... Resistivity quantifies how strongly a material opposes the flow of electrons through it. If a material has low resistivity, it means it offers less resistance to the electric current

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Answer 2

Resistivity of a substance is the resistance of a wire of that material of unit length and unit area of cross section.