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Electrical Engineering

Do cars use DC or AC?

by Expert asked Sep 7, 2024 21 views

Do cars use DC or AC?

2 Answers

by Expert-11 answered Sep 25, 2024

Cars primarily use direct current (DC) for their electrical systems, especially for the battery and starting systems. The car's battery provides DC power to start the engine and power accessories. However, once the engine is running, the alternator generates alternating current (AC), which is then converted to DC to recharge the battery and power the electrical systems. So, in short, cars use both, but DC is the main type for most functions.

by Expert-2 answered Sep 11, 2024

Cars primarily use DC (direct current) for their electrical systems, especially for starting the engine and running components like the lights and radio. The car's battery provides DC power. However, when the engine is running, the alternator generates AC (alternating current) which is then converted to DC by the car’s rectifier to charge the battery and power the electrical systems. So, while cars use AC for charging, most of their systems run on DC. Is there a specific aspect of this you're interested in?

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