Linked from
The 46 pages that link to Electrical impedance, each with the reason it gives.
Alternating currentRelated: Impedance generalizes resistance to AC circuits with capacitors and inductors.
Electrical resistanceCompared with: Unlike resistance alone, impedance includes energy storage effects in AC circuits.
Complete blood countRelated: Some analyzers use cell-induced resistance changes to count and size blood cells.
Acoustic impedanceCompared with: It has the same complex, frequency-dependent form, but relates voltage and current instead of pressure and flow.
TransformerRelated: A transformer reflects the connected load's impedance between its windings.
CapacitanceRelated: A capacitor's capacitance contributes a frequency-dependent capacitive reactance to impedance.
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.
DecibelRelated: Voltage ratios use the amplitude formula only when the compared impedances are equal.
Voltage dividerNarrower topic: The divider works with impedances, not only with ideal resistors.
Automated external defibrillatorRelated: Chest impedance affects how much current a defibrillation shock delivers.
Impedance matchingNarrower topic: It is the quantity adjusted when connecting sources, loads, and transmission lines.
Thévenin's theoremRelated: The theorem uses impedance for general linear AC networks.
Electrochemical impedance spectroscopyNarrower topic: The measured quantity is the ratio of voltage to current, including their phase difference.
Fluctuation–dissipation theoremRelated: Thermal voltage and current noise can reveal its dissipative component.
InductanceNarrower topic: Inductive reactance is one part of this broader circuit quantity.
Complex multiplicationRelated: Circuit calculations multiply complex impedances to combine voltage and current relationships.
Imaginary unitRelated: Its imaginary part represents phase-shifting effects in AC circuits.
Oliver HeavisideRelated: Operational calculus let Heaviside handle impedance and transient response within one framework.
Power factorRelated: Its resistive and reactive parts determine current magnitude and phase.
OhmNarrower topic: The ohm also measures impedance, extending resistance measurement to AC circuits.
Operational amplifierNarrower topic: Input and output impedances shape how op amps interact with surrounding circuits.
Sound systemRelated: Speaker impedance affects amplifier load and safe system configuration.
RC circuitRelated: Impedance extends resistance-based analysis to an RC circuit driven by sinusoidal signals.
Scattering amplitudeCompared with: It is another complex physical quantity, but it relates circuit variables rather than transition probabilities.
Characteristic impedanceNarrower topic: Characteristic impedance is a specialized impedance associated with propagation along a line.
Circuit analysisRelated: It extends resistance-based methods to capacitors and inductors at a specified frequency.
Equivalent series resistanceNarrower topic: ESR is the resistive part of a component’s broader impedance.
ReactanceNarrower topic: It extends reactance to the complete AC opposition, including dissipative resistance.
BusbarRelated: Busbar impedance affects voltage drop and fault-current levels across connected circuits.
Antenna tunerNarrower topic: A tuner transforms the antenna system's impedance to suit the radio or feed line.
Millman's theoremNarrower topic: Millman's theorem uses branch impedances, including resistance as the direct-current case.
Negative impedance converterNarrower topic: The converter acts on this ratio between voltage and current.
Bridge circuitNarrower topic: AC bridge balance compares complex impedances rather than only resistances.
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.
Impedance of free spaceCompared with: Despite sharing the name and unit, it describes circuit voltage-current relations, not field amplitudes.
AC powerRelated: Impedance determines the current drawn by an AC load.
Analogue electronicsRelated: Impedance matching and loading determine how signals transfer between stages.
Electrical propertiesRelated: Impedance connects material response to the behavior of real components under alternating signals.
Electrical reactanceNarrower topic: Reactance is the imaginary component of this broader circuit quantity.
Electrical resistance and conductanceCompared with: Unlike resistance alone, impedance accounts for energy storage and phase shifts in AC circuits.
Electrical techniquesRelated: It determines how systems respond to changing electrical signals.
GyratorNarrower topic: Impedance is the quantity a gyrator transforms between its ports.
Miller theoremNarrower topic: The theorem transforms an inter-node impedance rather than a particular component type.