What is meant by electrical resistivity of a material? Derive its S.I. unit. Describe an experiment to study the factor on which the resistance of a conducting wire depends.
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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. ... A thicker wire has a larger cross-sectional area.
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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. ... A thicker wire has a larger cross-sectional area.
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