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AP Physics 2
11.8 Resistor-Capacitor (RC) Circuits
IntermediateMCQMathematicalConceptual20.2k
A schematic diagram of a single-loop series circuit. The left vertical branch contains an ideal battery labeled \(\mathcal{E} = 12\text{ V}\) with its positive terminal pointing upward. The top horizontal branch contains an open switch labeled S. The right vertical branch contains a resistor labeled \(R = 50\text{ k}\Omega\). The bottom horizontal branch contains an uncharged parallel-plate capacitor labeled \(C = 4.0\text{ }\mu\text{F}\). Wire connections complete the single continuous loop.
Series RC circuit with open switch S.
An uncharged capacitor of capacitance \(C = 4.0\text{ }\mu\text{F}\) is connected in series with a resistor of resistance \(R = 50\text{ k}\Omega\), an open switch \(S\), and an ideal battery of electromotive force \(\mathcal{E} = 12\text{ V}\). At time \(t = 0\), switch \(S\) is closed. Which of the following correctly states the maximum current in the circuit immediately after the switch is closed and provides the correct physical reasoning?

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