(See related pages)
After studying this chapter, you should be able to:
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• Explain why the current leads the voltage by 90° for a capacitor. |
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• Define the term impedance. |
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• Calculate the total impedance and phase angle of a series RC circuit. |
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• Describe the operation and application of an RC phase-shifter circuit. |
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• Calculate the total current, equivalent impedance, and phase angle of a parallel RC circuit. |
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• Explain how a capacitor can couple some ac frequencies but not others. |
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• Calculate the individual capacitor voltage drops for capacitors in series. |
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• Calculate the capacitive current that flows with nonsinusoidal waveforms. |