Define Resistevity. Write an expration for the restivity of a substance, Give the meaning of each symbol which ocures in it
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Resistivity is the resistance offered by the conductor when its length and area of cross section is taken as unity ...
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Resistivity=> A measure of the resisting power of a specified material to the flow of an electric current.
factor on which resistance of a conductor depends:-
[1] Temperature
[2] Nature of material
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