Linked from
The 46 pages that link to Electrical impedance, each with the reason it gives.
TransformerRelated: A transformer reflects the connected load's impedance between its windings.
Electrical circuitRelated: It extends resistance to circuits containing capacitors and inductors.
LoudspeakerRelated: A loudspeaker's impedance affects the current demanded from its amplifier.
PhasorRelated: Phasors let impedance express both resistance and phase shift in AC circuits.
Thévenin's theoremRelated: The theorem uses impedance for general linear AC networks.
Imaginary unitRelated: Its imaginary part represents phase-shifting effects in AC circuits.
Power factorRelated: Its resistive and reactive parts determine current magnitude and phase.
Sound systemRelated: Speaker impedance affects amplifier load and safe system configuration.
Electrical faultRelated: Fault impedance helps determine how much current a fault draws.
Electronic componentRelated: It describes how components respond to signals that vary over time.
AC powerRelated: Impedance determines the current drawn by an AC load.
Electrical techniquesRelated: It determines how systems respond to changing electrical signals.