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Dingfeng Capacitor -- How Does A Capacitor Work?

Issue Time:2019-07-15

a capacitor works like a tiny rechargeable battery with very very very low capacity. The time it takes to discharge a capacitor is usually only a split second. And so is the time to recharge it.

 So the capacitor can store charge. And it can release the charge when needed. But how does it do this? How does a capacitor work on a deeper level?


A capacitor is made up of two metallic plates. With a dielectric material in between the plates. When you apply a voltage over the two plates, an electric field is created. Positive charge will collect on one plate and negative charge on the other. And this is what the physicists mean when they say that “a capacitor works by storing energy electrostatically in an electric field”.


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