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AP Physics C: E&M
13.5 Circuits with Resistors and Inductors (LR Circuits)
13.4 Inductance
IntermediateMCQGraphicalMathematicalConceptual14.9k
A rectangular circuit schematic. The left vertical branch contains an ideal DC voltage source labeled \(\mathcal{E}\), with the longer plate at the top. The top horizontal branch contains an open switch labeled \(S\). The right vertical branch contains a resistor depicted as a zig-zag symbol labeled \(R\). The bottom horizontal branch contains an inductor depicted as a sequence of curved loops labeled \(L\). Connecting lines complete the rectangular loop. No other labels, lines, text, or axes appear.
Circuit with battery, switch, resistor, and inductor.
A circuit consists of an ideal battery of emf \(\mathcal{E}\), an open switch \(S\), an ideal inductor of inductance \(L\), and a resistor of resistance \(R\) connected in series. At time \(t = 0\), the switch \(S\) is closed. Which of the following graphs best represents the magnitude of the potential difference across the inductor, \(\Delta V_L\), as a function of time \(t\) for \(t \ge 0\)?

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