explain resistivity
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Resistivity is a measure of the resistance of a given size of a specific material to electrical conduction. ... Materials that conduct electrical current easily are called conductors and have a low resistivity. Those that do not conduct electricity easily are called insulators and these materials have a high resistivity.
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RESISTIVITY OF A MATERIAL IS THE RESISTANCE OF A WIRE OF THAT MATERIAL OF UNIT LENGTH AND UNIT CROSS SECTIONAL AREA. IT DEPENDS ONLY ON NATURE OF MATERIAL
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