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AP Physics C: E&M
11.6 Kirchhoff’s Loop Rule
11.5 Compound Direct Current Circuits
IntermediateMCQMathematicalConceptual15.3k
Circuit schematic containing a real battery and a solar cell.
Circuit schematic containing a real battery and a solar cell.
A solar cell is modeled as an ideal emf \(\mathcal{E}_s\) in series with an internal resistance \(r_s\). It is connected in a single closed loop to a battery modeled as an ideal emf \(\mathcal{E}_b\) in series with an internal resistance \(r_b\), where \(\mathcal{E}_b > \mathcal{E}_s\). The positive terminal of the battery is connected to the positive terminal of the solar cell, and their negative terminals are connected together. Which of the following correctly pairs the current \(I\) in the circuit and the potential difference \(V_s\) across the terminals of the solar cell?

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