Define resistivity of a conductor. plot a graph showing the variation of resistivity with tempraturefor a metallic conductor. how do one explain such a bahaviour, using the mathematical expression of the resistivity of a material?
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In general, the resistance to electric current of a material. In particular, the degree to which a material resists the flow of electricity or heat.
The reciprocal of conductivity.
SI unit (electricity): ohm-metre (Ω-m)
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The property of conductor that quantifies how strongly a given material opposes the flow of electric current.
It is measured in OHM Ω
It is measured in OHM Ω
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