AC Reactive Components - PDF Full description: Topics covered in this module: Inductance: Inductive Reactance, Voltage and Current Phase Relationships in an Inductive Circuit, and Summary Capacitance: Capacitors, Capacitive Reactance and Summary Impedance: Impedance, Impedance in R-L Circuits, Impedance in R-C Circuits, Impedance in R-C-L Circuits, and Summary Resonance: Resonant Frequency, Series Resonance, Parallel Resonance, and Summary