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17/07/2021 4:22 pm
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Distinguish between resistance and resistivity.
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17/07/2021 4:32 pm
1. Resistance is the property of the conductor, while resistivity is the property of the material of the conductor.
2. Resistance of a conductor is the opposition to the flow of electric current through it. Resistivity of a substance is the opposition to the flow of electric current by a rod of that substance which is 1m long 1 m2 in cross section.
3. Resistance of a conductor depends on length, thickness, nature of material and temperature of the conductor; while resistivity of a substance depends on the nature of the substance and temperature.