A series circuit consists of a 4.0-nF capacitor, a 36-mH inductor, and a 100- resistor. The circuit

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A series circuit consists of a 4.0-nF capacitor, a 36-mH inductor, and a 100-Ω resistor. The circuit is connected to a 20-V ac source whose frequency can be varied over a wide range.

(a) Find the resonance frequency f0 of the circuit.

(b) At resonance, what is the rms current in the circuit and what are the rms voltages across the inductor and capacitor?

(c) What is the rms current and what are the rms voltages across the inductor and capacitor at f = f0 + ½ ∆f, where ∆f is the width of the resonance?

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