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Conductance and Conductivity

The electrica...

Question

The electrical resistivity of a conducting wire is K. If its length and area of cross-section are doubled then the new resistivity of the wire will be :

A

K

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B

2

K

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C

K / 2

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D

K / 4

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Solution

The correct option is A K
Resistivity remain constant it does not depends on length and area. It is material property.

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