Digital Micromirror Device ( Chunhai Ji Introduction The applications of large screen‚ high brightness electronic projection displays include (1) electronic presentations‚ (2) entertainment‚ (3) status and information and (4) simulation (e.g.‚ training‚ and games). So far the electronic presentation market is being driven by the pervasiveness of software that has put sophisticated presentation techniques into the hands of the average PC user. Normally three of projection display techniques
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8.4 Water 8.4.1 Water is distributed on Earth as a solid‚ liquid and gas y y y Define the terms solute‚ solvent and solution Solution a homogeneous mixture of two or more substances Solute a substance that is dissolved in another substance or the component of a solution present in a lower amount. Solvent a substance which can dissolve another substance or the component of a solution present in a greater amount. Identify the importance of water as a solvent Water is essential as a reactant
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PHYS113 Lab1: Coulomb’s Law ABSTRACT Performing this experimentation will allow one to investigate the relationship quantitative relationship between the electrostatic force and the distance between charged objects. First a simply observation was made of the electrical forces on two pieces of tape taking note of their attraction and repulsion. This same phenomenon was observed in the experimentation of two charged spheres. Furthermore the we used this experimentation to determine the
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consists of two concentric spherical electrodes; aligned at the same center point. The inner electrode has a radius r1 whereas the outer electrode‚ r2. The voltage difference between the two electrodes is denoted as V. Using Gauss’s theorem and electrostatic principle‚ derive the expression for field enhancement factor of this electrode configuration. (10 marks) Page 2 of 7 Test EEPB463‚ Semester 1 2012/2013 Page 3 of 7 Test EEPB463‚ Semester 1 2012/2013 QUESTION 2 [10 marks] Figure
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be a possibility of communication between electronic devices on the human body by using personal area network. In this paper we have discussed different types of IBC which were used for intra body transmission such as 1. The simple circuit 2. Electrostatic coupling 3.
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Wireless energy transfer or wireless power is the transmission of electrical energy from a power source to an electrical load without artificial interconnecting conductors. Wireless transmission is useful in cases where interconnecting wires are inconvenient‚ hazardous‚ or impossible. The most common form of wireless power transmission is carried out using direct induction followed by resonant magnetic induction. Other methods under consideration include electromagnetic radiation in the form of microwaves or lasers
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Current is a flow of electrical charge carriers‚ usually electrons or electron-deficient atoms. The common symbol for current is the uppercase letter I. The standard unit is the ampere‚ symbolized by A. One ampere of current represents one coulomb of electrical charge (6.24 x 1018 charge carriers) moving past a specific point in one second. Physicists consider current to flow from relatively positive points to relatively negative points; this is called conventional current or Franklin current. Electrons
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1. What is the impact of the Clean Air Act amendments of 1990 on the Southern Company’s Bowen plant? The Clean Air Act amendments of 1990 regulate the emissions of sulfur dioxide starting in 1995. The intention of this legislation is to control the formation of acid rain. Between 1995 and 1999‚ the Bowen plant will receive allowances to emit 254‚580 tons of sulfur dioxide per year. Starting in 2000‚ the Bowen plant will receive allowances to emit 122‚198 tons of sulfur dioxide per year. To comply
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03.04 Valence Electrons and Bonding Individual neutral atoms are rarely found in nature. The noble gases are the only elements that are found as single atoms more often than they are found in compounds. Atoms are held together in compounds by electrostatic attraction between positive nuclei and negative electrons. This attraction holds atoms together in a chemical bond‚ a link between two atoms resulting from the mutual attraction of their nuclei for valence electrons. All chemical bonds involve
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1. Demonstrate an understanding of common electrostatic phenomena in terms of movement of electrons‚ including: b lightning 2. Explain how earthing removes excess charge by movement of Electrons 3. Explain some of the uses of electrostatic charges in everyday situations‚ including paint and insecticide sprayers 4. Describe how an ammeter is placed in series with a component to measure the current‚ in amps‚ in the component 5. Explain how current is conserved at a junction 6. Explain how the
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