Question

if the cross sectional area of aluminium wire is doubled and length remain same then it resistivity will .​

Answer 1

Answer:

Its resistivity will remain same because resistivity of a wire depends upon the material of the wire and temperature and not cross sectional area or leangth. RESISTANCE  depends on length and area.

Explanation:

Answer 2

Answer: resistivity will remain the same

Explanation: resistivity of any substance does not depends on area of cross section and length of wire..... It will only depend on nature and temperature of material

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