Question

$\huge\underline\mathfrak{Question-}$


What do you mean by electrical resistivity of a material? derive its S.I unit. Describe an experiment to study the factor on which the resistance of conducting wire depends.



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Answer 1

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$\huge\boxed{Electrical \: Resistivity }$

Electrical Resistivity quantifies how strongly a given material oppose the flow of electric current.

$\huge\boxed{SI \: UNIT:}$

OHM is SI unit of electrical resistivity.

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The electrical resistivity of a material is defined as the resistance of a conductor made of that material of unit length and unit cross-sectional area.

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Answer 2

$\huge\underline\bold\pink{Answer}$

Electrical Resistivity quantifies how strongly a given material oppose the flow of electric current.

OHM is SI unit of electrical resistivity.

The electrical resistivity of a material is defined as the resistance of a conductor made of that material of unit length and unit cross-sectional area.

$\huge\underline\bold\purple{ThankYou}$