(Answered) Question a series circuit consists of an ac source of

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Question: A series circuit consists of an ac source of variable frequency, a 115- Ω resistor, a 1.25-µF capacitor, and a 4.50-mH inductor. Find the impedance of this circuit wben the angular frequency of the ac source is adjusted to :

(a) The resonance angular frequency;

(b) Twice the resonance angular frequency;

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