EE 472 Laboratory Experiment No._2_ Separately Excited DC Generator Performed by : Duldulao‚ Caryl Xyra L. Date Performed : November 27‚ 2012 Date Submitted : December 4‚ 2012 Engr. Timoteo V. Limsiaco Laboratory Instructor I. MATERIALS: * Digital Wattmeter (DWM) * Digital Multi-meter (DMM) * Variac * Plastic Coupling * 10 Alligator Clips (Big Wire) * 10 Banana Plug (Big Wire) * 1 Banana Plug with Flat Plug Combination
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w w ap eP m e tr .X w UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS for the guidance of teachers 0625 PHYSICS 0625/32 Paper 3 (Extended Theory)‚ maximum raw mark 80 This mark scheme is published as an aid to teachers and candidates‚ to indicate the requirements of the examination. It shows the basis on which Examiners were instructed to award marks. It does not indicate the details of the discussions that took place at an Examiners’ meeting before marking began
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Applications of Differential Forms Maxwell Faraday and Maxwell Ampere Equations R. M. Kiehn (in preparation - last update 10/31/97) Physics Department‚ University of Houston‚ Houston‚ Texas Abstract: The topological universality of the Maxwell Faraday and Maxwell Ampere equations is an artifact of C2 differential forms on a domain of dimension n * 4. Starting with a 1-form of (electromagnetic) Action‚ the Maxwell Faraday equations become a consequence of the Poincare lemma. Starting from an
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point charge is rotated in a circle of radius r around a charge q‚ what will be the be the work done? 2. Does the electric potential increase or decrease along the electric line of force? 3. Give the relation between electric intensity and electric flux. 4. What is the dielectric constant of a metal? 5. What is the potential energy of two equal negative point charges 2μC each held 1m apart in air? 6. In a certain 0.1m3 of space‚ electric potential is found to be 5V throughout. What is the electric
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Induction cooktops heat the pan only. Photo courtesy of Consumer Guide Products KITCHEN APPLIANCES Microwaves Nonstick Cookware PlanetGreen.com: Are you a green appliance guru? Do you crave the simplicity and rapid heating of electric stoves but long for more responsive temperature control? Perhaps your favorite TV chef has won you over to cooking with gas‚ but the thought of tearing up your kitchen to put in a gas line leaves you cold. Maybe you have a gas stove‚ but wish
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FORMAT FOR PREPARATION OF SUMMER INTERNSHIP REPORT-RGUKT OBJECTIVE A summer internship report is a documentation of a student’s work—a record of the original work done by the student in the summer internship of 8 week duration. The objective of this document is to provide a set of guidelines that help a student to prepare the report to satisfy the requirements of internship report. The guidelines are general. Student may follow these else any better/ innovative way of presenting the work
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(CETS)‚ by which electrical energy may be transmitted‚ without electrical connection or physical contact‚ through nonmagnetic media of low conductivity. The CETS‚ which has been used to transfer up to 5 kW across a 10-mm gap‚ employs high-frequency magnetic coupling and enables plug-in power connections to be made in wet or hazardous environmental conditions without the risk of electric shock‚ short circuiting‚ or sparking. Energy may be transmitted without the necessity for accurately manufactured
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was the subject of many papers. It is indicated the back-EMF waveform has an important role to produce the smooth torque. Lee and Park employed the shape design sensitivity formula and the finite element method for calculating the sensitivity of flux-linkage to the design variables determining the shape of iron pole piece [2]. Shape design sensitivity analysis in electromagnetic systems can be developed using two fundamentally different approaches. The one is the discrete approach‚ where design
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in the 1950’s from a group of Russian scientists including Andrei Sakharov and Igor Tamm) constructed with the shape of a torus (or dough-nut) in which a plasma is magnetically confined and heated in order to produce nuclear fusion reactions. The magnetic confinement of the plasma particles in the vacuum vessel torus is obtained through the combination of toroidal and poloidal fields produced by external coils (see fig.I.1) with the additional field produced by the electrical current flowing along the
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Electromagnetism is the study of the physical interaction that happens among electrically charged particles. This electromagnetic force is typically apparent in magnetic fields‚ electric fields and sources of light. This electromagnetic force that occurs between particles is one of the four ultimate interfaces in nature. On April 8‚ 1911 in Leiden‚ Heike Kamerlingh Onnes discovered Superconductivity. Superconductivity is the phenomenon when a material cooled below a certain temperature emits no electromagnetic
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