Question

The expression for electrical conductivity is

Answer 1

ELECTRICAL CONDUCTIVITY. ... The conductive property of a substance is characterized by its conductivity, σ, defined according to Ohm's Law by the expression j = σE. Here, j is the electric current density and E is the strength of the electric field. The magnitude ρ = 1/σ is called resistivity.

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Answer 2

Answer:

hi

Explanation:

The electrical conductivity depends on no.of charges(free electron ) carries present in the material . the conductive property is characterized by its conductivity. the is defined according to ohms law. mark me as brainleast