Electric resistivity of a given mettlic wire dapends upon wh
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The electric resistivity of a given metallic wire is always depends onhe nature of the material from which the wire is made and also the temperature of the metallic current carrying conductor. The variable temperature causes the variable resistivity of metallic conductor.
THe resistivity is denoted by the symbol * ROh*
If the temperature of a metallic conductor increases then its resistivity also got increase.
Because when temperature is raised then the ions, atoms of the cinductor get sufficient k. E To oppose the flow of electrons through the given conductor. And decrees on decreasing the temperature.
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