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Engineering LibreTexts

9: AC Signal Fundamentals

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  • Learning Objectives

    After completing this chapter, you should be able to:

    • Describe sinusoidal waveforms in mathematical terms.
    • Express complex waveforms using basic Fourier analysis.
    • Perform mathematical operations using complex numbers.
    • Draw phasor diagrams for complex numbers.
    • Compute and plot capacitive and inductive reactance as a function of frequency.
    • Compute and plot complex impedance as a function of frequency.
    • Describe the relationships between resistance, reactance, impedance, conductance, susceptance and admittance

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