How does the resistance of a wire vary with its area of cross section CBSE Physics

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How does the resistance of a wire vary with its area of cross-section?. -CBSE Physics




By:milan-ransingh

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The resistance of a conductor is inversely proportional to its area of cross section.
 A dummy approach: The concept of current flow in a conductor is analogous to liquid flow in a pipe.As the amount of current flowing at constant voltage increases with increase in cross sectional area, resistance decreases.

13priya

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