Finola has a circuit with a 4.00-k resistor, a 0.750-H inductor, and a capacitor of unknown value

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Finola has a circuit with a 4.00-kΩ resistor, a 0.750-H inductor, and a capacitor of unknown value connected in series to a 440.0-Hz ac source. With an oscilloscope, she measures the phase angle to be 25.0°.
(a) What is the value of the unknown capacitor?
(b) Finola has several capacitors on hand and would like to use one to tune the circuit to maximum power. Should she connect a second capacitor in parallel across the first capacitor or in series in the circuit? Explain.
(c) What value capacitor does she need for maximum power?
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Physics

ISBN: 978-0077339685

2nd edition

Authors: Alan Giambattista, Betty Richardson, Robert Richardson

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