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AP Physics 2
11.3 Resistance, Resistivity, and Ohm’s Law
BeginnerMCQMathematicalProportional AnalysisConceptual20k
A schematic diagram showing two horizontal solid cylinders aligned parallel to each other. The upper cylinder, labeled Conductor X, has length labeled \(L_0\) with horizontal dimension arrows and circular cross-sectional radius labeled \(r_0\). The lower cylinder, labeled Conductor Y, is visibly twice as long and twice as thick as Conductor X, with length labeled \(2L_0\) with horizontal dimension arrows and cross-sectional radius labeled \(2r_0\). Both cylinders have identical light-gray fill. No other labels, lines, text, or axes appear.
Conductors X and Y made of the same metal alloy.
Two cylindrical conductors, Conductor X and Conductor Y, are made of the same uniform metal alloy. Conductor X has length \(L_0\), radius \(r_0\), and an electrical resistance \(R_0\). Conductor Y has length \(2L_0\) and radius \(2r_0\). In terms of \(R_0\), what is the electrical resistance of Conductor Y?

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