Alternators in cars: why are they called that and how do they recharge your battery??

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What.. alternates by them to recharge the battery? How is it recharging? In a gas car? While its off? I feel like an idiot!

In: Engineering

13 Answers

Anonymous 0 Comments

Electric motors work in both directions! If you add electricity they turn, but if you turn them, they make electricity! They are electric generators!

A car’s engine spins more than just the tires. It spins the alternator and a few other things too. So when you are driving, the alternator spins and fills the battery up with electricity. 

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