14-05-2018
Physics

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resistance is inversely proportional to cross sectional area; is it same as cross sectional area inversely proportional to resistance?

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talishawatt24 talishawatt24

14-05-2018

The greater the cross sectional area of the condoctor, the greater the number of electrons that move and contribute to the current. Having a larger current for the same voltage means having a larger conductance. Since resistance is the inverse of conductance, cross sectional area is inversely related to the resistance.

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