what is resistance how it changes with change in area of cross section
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Explanation:
The resistance of a conductor is inversely proportional to its area of cross section. ... As the amount of current flowing at constant voltage increases with increase in cross sectional area, resistance decreases.
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Explanation:
The obstruction offered by a material of conductor to the passage of electric current is known as resistence. and the resistence of a wire varies inversely as area of cross section
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