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AP Physics 2
11.5 Compound Direct Current (DC) Circuits
11.3 Resistance, Resistivity, and Ohm’s Law
IntermediateMCQGraphicalMathematicalConceptual22.8k
Terminal voltage versus current for a real battery.
Terminal voltage versus current for a real battery.
A student connects a real battery with internal resistance \(r\) and electromotive force \(\varepsilon\) to a variable resistor and measures the terminal voltage \(\Delta V\) across the battery as the circuit current \(I\) is adjusted. The data are plotted, and a linear best-fit line is drawn on the graph shown. Which of the following statements correctly interprets the features of the graph in terms of the battery's physical properties?

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