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Is car wiring AC or DC?

in Electrical Engineering

Is car wiring AC or DC?

1 Answer

Car wiring is **DC (Direct Current)**.

Cars use a 12-volt DC electrical system, which is powered by the car's battery. The battery provides DC power to the car's electrical components, such as lights, radio, sensors, and ignition system.

However, the alternator in a car generates **AC (Alternating Current)** while the engine is running, but this AC is converted into DC by the car’s rectifier and voltage regulator. This DC power is then used to charge the battery and supply power to the car's electrical system.

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