Physics
Electricity and Magnetism
An L-R-C series circuit draws 220 W from a 120-V

An L-R-C series circuit draws 220 W from a 120-V (rms), 50.0-Hz ac line. The power factor

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An L-R-C series circuit draws 220 W from a 120-V (rms), 50.0-Hz ac line. The power factor is 0.560, and the source voltage leads the current.
(a) What is the net resistance R of the circuit?
(b) Find the capacitance of the series capacitor that will result in a power factor of unity when it is added to the original circuit.
(c) What power will then be drawn from the supply line?

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ISBN: 978-0077339685

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Authors: Alan Giambattista, Betty Richardson, Robert Richardson

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Question Posted: Oct 18, 2010 06:32 AM

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