A friend has built an \(\mathrm{AC}\) circuit for you to analyze. You know the circuit contains a resistor, but it also contains another element. Because you know the circuit components available to your friend, you know that the unknown element must be a \(0.32-\mathrm{F}\) capacitor, a \(0.32-\mathrm{mF}\) capacitor, a \(6.28-\mathrm{mH}\) inductor, or a \(62.8-\mathrm{mH}\) inductor.
Figure P32.18 shows curves for the current through the unknown element and the potential difference across it. The maximum current is \(1.00 \mathrm{~mA}\), and the maximum potential difference is \(1.00 \mathrm{~V}\). Which of the four available elements did your friend use, and how do you know?

Data from Figure P32.18

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