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if the cross-sectional area of a wire is decreased while all other factors remain the same, how will the resistance change?
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if the cross-sectional area of a wire is decreased while all other factors remain the same, how will the resistance change?

User Rob Sedgwick
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the resistance will increase cz resistance is inversely proportional to area of cross-section and so if area of cross section is decreased by half the resistance is doubled.
User JackRed
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