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AP Physics C: E&M
11.6 Kirchhoff’s Loop Rule
11.5 Compound Direct Current Circuits
11.2 Simple Circuits
BeginnerMCQMathematicalConceptual13k
Circuit containing a nonideal battery and three series resistors.
Circuit containing a nonideal battery and three series resistors.
A battery having an electromotive force \(\varepsilon\) and an internal resistance \(r > 0\) is connected to three identical resistors, each of resistance \(R\), which are arranged in series as shown. Let \(\Delta V_{\text{term}}\) represent the magnitude of the terminal voltage across the battery, and let \(\Delta V_1\), \(\Delta V_2\), and \(\Delta V_3\) represent the magnitudes of the potential differences across each of the three resistors, respectively. Which of the following correctly ranks the electromotive force and the potential differences?

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