30. Induction and Inductance
LC Circuits
30. Induction and Inductance
LC Circuits
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- Multiple Choice
An LC circuit with an inductor of 0.05 H and a capacitor of 35 μF begins with the current of -1A. The capacitor plates have a maximum charge of 2.65mC at any time during the oscillation. What is the phase angle of this oscillation?
468views4rank2comments - Multiple Choice
In an oscillating LC circuit in which the capacitance C = 4μF and the maximum voltage across the capacitor V = 1.50V, the maximum current measured across the inductor is 50mA. What is the angular frequency of this LC circuit?
576views4rank1comments - Multiple ChoiceWhat is the resonant frequency of an LC circuit consisting of a inductor paired with a capacitor?481views
- Textbook QuestionAn LC circuit is built with a 20 mH inductor and an 8.0 pF capacitor. The capacitor voltage has its maximum value of 25 V at t=0 s. b. What is the inductor current at that time?216views
- Textbook QuestionIn recent years it has been possible to buy a 1.0 F capacitor. This is an enormously large amount of capacitance. Suppose you want to build a 1.0 Hz oscillator with a 1.0 F capacitor. You have a spool of 0.25-mm-diameter wire and a 4.0-cm-diameter plastic cylinder. How long must your inductor be if you wrap it with 2 layers of closely spaced turns?142views
- Textbook QuestionAn electric oscillator is made with a 0.10 μF capacitor and a 1.0 mH inductor. The capacitor is initially charged to 5.0 V. What is the maximum current through the inductor as the circuit oscillates?229views
- Textbook Question
How much resistance must be added to a pure LC circuit (L = 350 mH, C = 1600 pF) to change the oscillator’s frequency by 0.25%? Will it be increased or decreased?
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