How does the resistance of a conductor increase when its length is increased but decrease when its surface area increases?

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Solution

Dear student, When we increase length of conductor, the chance of hitting of electron inside conductor increases that's why resistance increases but when we increase cross section area the chance of electron collision inside conductor decreases that's why resistance decreases . Regards

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Similar questions

If the length of a conductor is increased, its resistivity decreases.

The resistance of a conductor increases with-

I: Increase in length

II: Increase in volume

III: Decrease in area

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