how does the resistance of a wire depend on its area of cross section
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Resistance is inversely proportional to area of cross section. larger will be the area lower will be the resistance and vice versa. this is because through a conductor with large area of cross section current can easily flow and hence resistance is low.
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Explanation:
The resistance of the wire depend on its area of cross section because if the cross section area is larger more electrons can pass and resistance become low well area of cross section is smaller the resistance is higher AS 9 electrons pass.
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