Do You Know the Automotive Basics? Take This Quiz and See!
What does the alternator do in a car?

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The alternator of your car is just like a generator. It charges your battery when the engine is running; without it, your battery would drain out of charge more quickly.
Darren Heath via Getty Images
Darren Heath via Getty Images
What does the alternator do in a car?
- Cool the engine
- Reduce the noise
- Charge the battery
- Assist the brakes
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