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What does the alternator do in a car?

Retry Correct Incorrect 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.

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Darren Heath via Getty Images

Darren Heath via Getty Images

What does the alternator do in a car?

• Reduce the noise
• Charge the battery
• Assist the brakes
• Cool the engine