How does the resistivity of a wire change, when the length is doubled and the area of cross section is halved? Justify. How will be the graph between length and resistivity of a conductor
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Step-by-step explanation:
so if length is doubled resistance will also get doubled i.e resistance is 4 times that of original resistance. now, the resistance of a conductor is inversely proportional the area of cross section. The larger the cross sectional area, the lower the resistance since the electrons have a larger area to flow through.
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