Although many people think that the British chemist Michael Faraday is the pioneer of capacitor
s today, he is not the first person to invent capacitors. What Faraday did is important-he showed the first practical example of a capacitor and how to use it to store charge in his experiments. And because of Faraday, we also have a way to measure the charge that a capacitor can hold, called capacitance, and it is measured in farads! Before Michael Faraday, some records point to the late German scientist Ewald Georg von Kleist inventing the first capacitor in 1745. A few months later, a Dutch professor named Peter Van Muchenbrook proposed a similar design, now called Leyden Jar. Is the weird timing right? However, this is entirely coincidental, and both scientists have received equal honors for their original invention of the capacitor. The famous Benjamin Franklin later continued to improve the Leyden Jar design created by Musschenbroek. Franklin also found that using flat glass is an excellent choice for the entire jar. So the first flat capacitor was born, called Franklin Square. How do capacitors work? Let's explore how these powerful capacitors work in depth through a practical example. You have used a digital camera before, right? Then you know that there will be some brief moments between when the button is pressed and the flash goes out. What happened here? After pressing the button to take a picture, there is a capacitor attached to the flash, which can be charged. Once the capacitor is fully charged by the camera's battery, all this energy will explode outward under the flash of light! So how did all this happen? Here is the inside story of the mysterious world of capacitors: It starts with charging. The current from the power supply first flows into the capacitor and gets stuck on the first board. Why is it stuck? Because there is an insulator that will not let any negatively charged electronic devices pass. The current increases. As more and more electrons stick to the first board, it will become negatively charged and eventually push all the excess electrons that cannot be processed onto the other board. Then the second board is positively charged. The current is stored. As the two plates of the capacitor continue to charge, the negative and positive electrons frantically try to gather together, but the annoying insulator in the middle will not let them generate an electric field. This is why the cover continues to hold and store electrical charge, because there is an unsolvable source of tension between the negative and positive sides of the two plates. Loose charging. Sooner or later, the two electrode plates in our capacitor cannot be charged because they are in a capacity state. But what happened now? If there is a path in your circuit that allows the charge to flow elsewhere, then all the electrons in your capacitor will discharge, ending their tension as they look for another path. Capacitors are a fascinating group that can store charge for a variety of applications, and they can even be used as auxiliary power supplies for sensitive integrated circuits. When using capacitors, pay special attention to the maximum voltage possible. Otherwise it will explode
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