fjäder. READ MOREBrushless DC Motors are an important class of highly efficient electric motors. They are most frequently used in electric vehicles because of their high efficiency and high power density. They are also present in the small DC fans used in power supplies and CPU coolers. In order to discuss the Brushless DC Motor it is important to first have a basic understanding of the more common Brushed DC Motor which is present in many household items. The brushed DC motor consists of a rotor
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D. C. Polarography * Introduction: - Polarography is a particular case of general electro analytical technique known as voltametry. These methods are used to study the decomposition and quantitative analysis of solution. Principle: - It is a rapid and accurate technique in which electrolysis of experimental solution is carried out by using one electrode of comparatively large surface area (i.e. non-polarisable electrode) and the other electrode having a very small area (polarisable electrode)
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DC-DC Converter Design for Battery-Operated Systems Harry Arbetter. Robert Erickson. and Dragan Maksimovid Power Electronics Group Department of Electrical and Computer Engineering University of Colorado‚ Boulder‚ CO 80309-0425 USA Abstrurt - This paper describes performance‚ design and optimization of de-dc converters for energy limited‚ battery operated systems. Variable-frequency operation is used to achieve voltage regulation and high efficiency for an extremely wide range of load currents
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The Beltway Sniper During October 2‚ 2002 a series of murders started to happen around Washington D.C area‚ as well as in the Baltimore area. Five shootings attacks occurred in a fifteen hours period‚ which continued on for another three weeks. People were surrounded by fear and authorities did not have any clues of what or why these shootings were happening. Different messages and signs were left at the scene of the crime by the killer‚ but still nothing solid enough to have any suspects. The
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5 Volt DC Power Supply Rakibul Hassan Department of EEE‚ Ahsanullah University of Science and Technology (AUST)‚ Dhaka‚ Bangladesh. E-mail: rakib_h@y7mail.com Key Words Transformer‚ Rectifier‚ Pulsating DC‚ Ripple voltage‚ Filter‚ Zener diode. Abstract: |Serial No.|Component Details |Specification |Quantity | |1. |Transformer |220V/12V |1 piece | |2. |p-n junction diode |1N4007 |4 piece
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(intel and amd images)Intel vs. Amd The Central Processing Unit or Processor is the most important component of a computer. The two most common types of CPUs on the market today are manufacture by Intel and AMD. Intel is the largest global supplier of microprocessors for the x86 architecture and AMD is the second largest. AMD concentrates primarily on CPUs‚ chipsets‚ and other microprocessors‚ but Intel explores into many other markets including networking technologies‚ motherboards
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Adaptive Control of a Step-Up Full-Bridge DC-DC Converter for Variable Low Input Voltage Applications Elton Pepa Thesis submitted to the faculty of the Virginia Polytechnic Institute and State University in partial fulfillment of the requirements for the degree of Master of Science in Electrical Engineering Approved: ____________ok_________________ Dr. Jason Lai (Chair) ____________________ Dr. Krishnan Ramu ____________________ Dr. William T. Baumann February 6‚ 2004 Blacksburg
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to relate to them‚ it is revealed that though both of the two main publishers‚ DC and Marvel‚ do create characters with amazing abilities they also have two different goals in mind. DC uses their heroes to create stories of escapism while fellow publisher Marvel focuses more on creating stories with realistic problems for their heroes. This is often illustrated in how the two publishers’ heroes attain their powers. DC heroes tend to have acquired their powers by supernatural‚ magical or alien means
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Period 4 11/4/12 George Washington was the first president of the United States and was a great leader for America. He got rid of the monarchy and led the colonists to freedom. Due to his accomplishments‚ Americans admired and looked up to George Washington. They felt if he led us through the war that it would be best if he could lead us as a President. President Washington was very successful in his two terms in presidency. George Washington ended the Whiskey Rebellion by leading the army himself
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DC Touring Spots Rock Creek Nature Park Planetarium shows‚ nature walks and more. Daily‚ 9 a.m.-5 p.m. Rock Creek Park‚ Glover Road‚ NW. 202/426-6829 Bureau of Engraving and Printing See how $$$ are made! Mon.-Fri.‚ 9 a.m.-2 p.m.‚ 14th & C Streets‚ SW. Tours available in several languages. Tickets given out before tours every 10 minutes. 202/622-2000 The FBI One-hour guided tours. Mon.-Fri.‚ 9 a.m.- 4:15 p.m. Located between 9th & 10th Streets on E Street
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