Electric charge

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    the physical model and numerical procedure of calculating the dynamics of space charge and electric field distribution in cable insulation material under DC voltage. Electric field distribution and formation of space charge The dependency of electric field distribution on time and temperature is obvious in HVDC system. This is due to the resistivity/conductivity dependency on temperature and electric field [1, 44]. It is also clear that the formation of space charge within the insulation material is depended on both temperature and external applied field [15]. Therefore, the dependent conductivity has a great role on space charge and then on field distribution in DC system. Under steady state DC condition the electric…

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    People know that electric cars are better for the environment than your typical car that runs on gasoline, but for some reason people are still not buying them as much as they’re buying gas cars. I believe that the reason for that is that all electric cars need to charge, and they all share the same problem at the moment. They all have the inconvenience of having to charge their batteries for long periods of time. Charging the batteries is not the biggest problem, the biggest problem is that the…

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    Electrostatics is a big branch inside of the tree of physics. When studying electrostatics you will learn about electric chargers that do not move. Static electricity is one of the many things that are covered in electrostatics. An object that has accumulated electric charge has static electricity (“Electricity for kids”, 1). The charges are not on the move nor do they flow from one place to another. It is easy to remember that the charges don’t move in static electricity, because static can be…

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    Lithium And Electrons

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    Lithium is the chemical element of atomic number 3, a soft silver-white metal. It is the lightest of the alkali metals. The two main parts of every atom are neutrons and protons. The three main subatomic particles that form an atom are protons, neutrons, and electrons. Electrons are the smallest of the three particles that make up atoms. Electrons are found in shells or orbitals that surround the nucleus of an atom. Protons and neutrons are found in the nucleus. They group together in the center…

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    Lightening, something that can light up an inky, blue-black night sky in a flash, is one of nature’s most remarkable phenomenon. To the common man, it is impossible that something so deadly, but venomously beautiful, could come from the sky. I have often wondered what causes such a terrifying occurrence, which is why I plan to explain the causes of lightening. Generally produced in thunderstorms, lightening is formed when liquid and ice particles above the freezing level collide. Once the…

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    The proteins from each solution will then be precipitated by ethanol and suspended in 2-D cell lysis buffer (). Next, the proteins from the healthy volunteers and the sick volunteers will be stained with CyDye Cy3 and Cy5, respectively, and combined into one solution. The resulting solution will then be subjected to 2-dimensional gel electrophoresis. This will be done by transferring the mixed protein solution to isoelectric tube gel (pH 3-10) and subjecting it to a constant electric current…

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    bulb when more and more bulbs are connected in parallel? Based on your answers above, what are the rules for current and voltage for a series circuit and for a parallel circuit?” For the series circuit the amount of voltage is divided equally between all the bulbs, so adding more will result in them being less bright. In this type of circuit the electric current travels through a single path through the circuit, the voltage of the device being used is proportional to the resistance, the…

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    The Energy Story Analysis

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    In all the stories electricity is a very important part of our lives. Electricity runs parts and even most of this world. Energy and electricity creates and produce jobs. In "Energy Story" it talks about how electricity effects our everyday lives. The story also talks how electricity works with other materials to created energy. Energy is all around you and everywhere you go. Energy powers many objects such as car batteries, an even your home. "Energy Story" also talks about how all matter…

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    Chemical Bonding

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    Topic 1: Chemical bonding 1.True or False: An Ion is when an atom gains or loses an electron. 2.What is a Cation? An ion with a (+) charge. 3.True or False: An Anion does not have a (-) charge. 4.What type of bonding transfers electrons? Ionic bonding 5.What are all the types of chemical bonds? Ionic, Covalent, and Metallic bonding. 6.What do you call an element that has different forms . Isotopes 7.Which type of bonding is the “strongest”? Ionic bonding 8.True or False: Ionic bonds are formed…

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    time, electrostatic charge and forces were unearthed. Charles Augustin de Coulomb performed an experiment showing that an electrical repulsion implements a law that has the same form as the law of gravity. In 1785, Coulomb published a physics paper stating the force between two particles that are charged is proportional inversely to the square of the distance between them. Then Coulomb 's law was created Coulomb is known for his law and being the founder of the theory of electrical action. The…

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