Chapter Objectives (See related pages) After studying this chapter, you should be able to: • Explain why the voltage leads the current by 90° for an inductor. • Calculate the total impedance and phase angle of a series RL circuit. • Calculate the total current, equivalent impedance, and phase angle of a parallel RL circuit. • Define what is meant by the Q of a coil. • Explain how an inductor can be used to pass some ac frequencies but block others. • Calculate the induced voltage that is produced by a nonsinusoidal current.
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