Question

Define conductance and conductivity

Answer 1

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$\huge\mathfrak{\blue{Answer→}}$Conductance is a mass dependent property, while conductivity is an inherent or intrinsic property and does not depend on mass. Conductance of equal mass will vary depending upon its shape and size also. ... Conductance is the property of an object, whereas conductivity is the property of a material.

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Answer 2

conductance

the degree to which an object conducts electricity, calculated as the ratio of the current which flows to the potential difference present. This is the reciprocal of the resistance, and is
measured in siemens or mhos.

conductivity

the degree to which a specified material conducts electricity, calculated as the ratio of the current density in the material to the electric field which causes the flow of current.

the rate at which heat passes through a specified material, expressed as the amount of heat that flows per unit time through a unit area with a temperature gradient of one degree per unit distance.

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