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| scribblenauts:scribblenauts_unlimited:nouns:electrostatic [2017/02/26 18:11] – created briancarnell | scribblenauts:scribblenauts_unlimited:nouns:electrostatic [2017/02/26 18:12] (current) – briancarnell |
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| ====== Electrostatic ====== | ====== Electrostatic ====== |
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| Electrostatics is a branch of physics that deals with the phenomena and properties of stationary or slow-moving electric charges. | An electrostatic generator, or electrostatic machine, is an electromechanical generator that produces static electricity, or electricity at high voltage and low continuous current. The knowledge of static electricity dates back to the earliest civilizations, but for millennia it remained merely an interesting and mystifying phenomenon, without a theory to explain its behavior and often confused with magnetism. By the end of the 17th Century, researchers had developed practical means of generating electricity by friction, but the development of electrostatic machines did not begin in earnest until the 18th century, when they became fundamental instruments in the studies about the new science of electricity. Electrostatic generators operate by using manual (or other) power to transform mechanical work into electric energy. Electrostatic generators develop electrostatic charges of opposite signs rendered to two conductors, using only electric forces, and work by using moving plates, drums, or belts to carry electric charge to a high potential electrode. The charge is generated by one of two methods: either the triboelectric effect (friction) or electrostatic induction. ([[https://en.wikipedia.org/wiki/Electrostatic_generator|source]]) |
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| Since classical physics, it has been known that some materials such as amber attract lightweight particles after rubbing. The Greek word for amber, ήλεκτρον, or electron, was the source of the word 'electricity'. Electrostatic phenomena arise from the forces that electric charges exert on each other. Such forces are described by Coulomb's law. Even though electrostatically induced forces seem to be rather weak, some electrostatic forces such as the one between an electron and a proton, that together make up a hydrogen atom, is about 36 orders of magnitude stronger than the gravitational force acting between them. ([[https://en.wikipedia.org/wiki/Electrostatics|source]]) | |
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| {{scribblenauts-unlimited:e:electrostatic.jpg}} | {{scribblenauts-unlimited:e:electrostatic.jpg}} |
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