Question

What happens to the restivity of a conductor if its length is doubled and area of cross sections as halfed.

Answer 1

Explanation:

resistivity will remain same because it doesn't depend on dimension of conductor

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Answer 2

$\large{\blue{\implies{Quesion}}}$

✝ What happens to the resistivity of a conductor if its length is doubled and area of cross section halfed

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✝ Resistivity is the property of the conductor to resist a flow of charge through it .

✝ If the length of the conductor is doubled and the cross sectional area gets halfed , the electrons will not pass easily through the conductor due to small space. Because

✝ Resistivity is inversely proportional to the area of cross section

[ If the area of cross section gets halfed ,the resistivity increases and if doubled , the resistivity decreases ]