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AP Physics 2
11.4 Electric Power
11.3 Resistance, Resistivity, and Ohm’s Law
IntermediateMCQGraphicalConceptual25.5k
A 2D Cartesian graph with a horizontal axis labeled Current, I and a vertical axis labeled Potential Difference, \Delta V. The origin is labeled 0. There are no gridlines. A single solid curve begins at the origin with a moderate positive slope and smoothly curves upward with increasing positive slope (concave up) as current I increases. No other labels, lines, text, or axes appear.
Graph of potential difference \(\Delta V\) versus current \(I\) for the metal wire.
A student investigates the electrical properties of a thin cylindrical metal wire of fixed length and cross-sectional area. The student measures the potential difference \(\Delta V\) across the wire for various values of the current \(I\) and generates the graph shown. As the current increases, the graph curves upward with an increasing slope. Which of the following statements correctly interprets the graph in terms of the wire's resistance and physical properties?

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