alternating currents
Power that oscillates
Alternating currents are electrical currents that periodically reverse direction, in contrast to direct current, which flows one way.
The standard household electricity in most countries is alternating current, typically cycling 50 or 60 times per second.
The abbreviation AC distinguishes it from DC (direct current): an AC adapter, AC power.
- voltageElectrical potential difference
- electric gridInterconnected electricity distribution network
- frequencyRate of recurrence
- waveOscillating motion through medium
- hertzFrequency measurement unit
power grid · power lines · utility pole · wall outlet · generator · flow · electricity · hum · electrical engineering · sine wave · Nikola Tesla · phases · three phase · buzz · transformer · electromagnetic induction · cable · cycle
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