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
When starting a car, it uses the battery to run a motor (the starter) that gets the engine spinning fast enough for the internal combustion to take over. Once the car is running it needs electricity for other things (spark plugs, radio, GPS, lights etc). The battery wouldn’t have enough charge to last very long. The alternator is a generator, it converts the spinning energy of the engine into electricity, which is fed back into the battery.
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