What is meant by electrical resistivity of a material? Derive it's S.I unit.
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Answer: Resistivity is the measure of a material’s ability to oppose the flow of current .
Resistivity of a conductor is a property of the material of the conductor. Unit of resistivity is Ohm meter, Ω m.
Resistivity of the material of the conductor changes with temperature.
Explanation:
Resistivity is the measure of a material’s ability to oppose the flow of current .
Resistivity of a conductor is a property of the material of the conductor. Unit of resistivity is Ohm meter, Ω m.
Resistivity of the material of the conductor changes with temperature.
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