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The 72 pages that link to Alternating current, each with the reason it gives.

• HydroelectricityRelated: Most grid-connected hydroelectric generators produce alternating current.

• Electric currentBroader topic: It contrasts with current whose direction stays fixed.

• Electromagnetic inductionRelated: Its changing magnetic field enables continuous induction in transformers and nearby circuits.

• Thomas EdisonCompared with: Its efficient transmission over long distances challenged the direct-current model favored by Edison.

• Railway electrificationCompared with: Alternating-current systems later enabled efficient transmission and high-voltage railway supply.

• TransformerRelated: Its changing current produces the varying magnetic flux required for transformer action.

• Electrical circuitCompared with: Its changing direction requires analysis of frequency-dependent behavior.

• AmplitudeRelated: Its peak current and voltage are amplitudes of oscillating electrical quantities.

• Direct currentCompared with: Its reversing direction is the defining contrast with direct current.

• SineRelated: Its voltage and current are often modeled by sinusoidal functions.

• Electric generatorRelated: Many generators produce alternating current as their coils rotate.

• HydropowerRelated: Hydroelectric generators supply electrical output that is synchronized and delivered as grid current.

• Periodic functionRelated: Its voltage and current commonly vary as periodic functions of time.

• Euler's formulaRelated: Phasor analysis uses the identity to calculate AC circuit behavior.

• Angular frequencyRelated: Its voltage and current phases are commonly described using angular frequency.

• Fundamental frequencyRelated: Its fundamental frequency describes how often the current waveform repeats.

• InductorRelated: Inductors oppose changing current, shaping alternating-current circuit behavior.

• Electrical impedanceNarrower topic: Impedance describes circuit opposition specifically for alternating current.

• PhasorRelated: Phasors make sinusoidal AC voltage and current relations easier to calculate.

• Electrical powerBroader topic: In AC circuits, phase differences make average power differ from voltage times current.

• Electric power systemRelated: Most transmission and distribution networks use alternating current.

• Second Industrial RevolutionRelated: Its transmission advantages helped electricity spread across wider industrial and urban networks.

• Load balancingRelated: Grid frequency is the rate at which alternating current cycles.

• Electrical gridRelated: Most grids use alternating current, enabling voltage transformation with transformers.

• Skin effectNarrower topic: Its changing direction and frequency produce the fields responsible for skin effect.

• Electric circuitCompared with: It contrasts with direct current by reversing direction periodically.

• Electric power distributionNarrower topic: Most public distribution networks deliver electricity as alternating current.

• Nikola TeslaRelated: Tesla’s electrical systems used alternating current to transmit power efficiently over long distances.

• Three-phase electric powerNarrower topic: Each phase is an alternating quantity with a shared frequency.

• Root mean squareNarrower topic: RMS is widely used to express the effective magnitude of alternating current.

• Power inverterNarrower topic: The inverter’s output is AC for compatible loads or grid connection.

• Induction motorNarrower topic: Alternating supply currents create the changing stator magnetic field.

• Reactive powerNarrower topic: Reactive power arises from voltage and current relationships in alternating-current systems.

• ElectricityCompared with: It differs from direct current in the direction and pattern of charge flow.

• Electricity generationRelated: Most large generators produce alternating current for transmission and distribution.

• Imaginary unitRelated: Complex numbers simplify calculations for sinusoidal voltage and current.

• Induction heatingNarrower topic: Reversing coil current creates the changing magnetic field induction heating requires.

• Overhead power lineRelated: Most interconnected power grids transmit and distribute electricity as alternating current.

• Power factorNarrower topic: Power factor describes energy use in circuits supplied by this kind of current.

• War of the currentsCompared with: Westinghouse’s system could change voltage for efficient long-distance transmission.

• Static electricityCompared with: Its sustained, reversing flow differs from charge stored at rest.

• Current transformerNarrower topic: A changing current produces the changing magnetic flux on which conventional current transformers depend.

• Kilowatt-hourRelated: In AC circuits, meters determine energy from voltage and current over time.

• Dielectric lossRelated: Alternating fields drive the repeated material response responsible for dielectric dissipation.

• Electric shockCompared with: Its repeated stimulation can cause sustained muscle contraction and make release difficult.

• Polar formRelated: Polar-form phasors simplify calculations involving sinusoidal voltage and current.

• Displacement currentRelated: Changing currents in capacitor circuits produce time-varying fields and displacement current.

• John Ambrose FlemingRelated: Fleming’s valve rectified alternating current as well as detecting radio signals.

• ReactanceNarrower topic: Reactance describes opposition specifically in circuits carrying this changing current.

• Maximum power transfer theoremRelated: Complex impedance and conjugate matching describe maximum average power transfer in AC circuits.