A SEMINOR REPORT ON WITRICITY Submitted to JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY‚ Anantapur In partial fulfillment of award of the degree of Bachelor of Technology IN ELECTRICAL AND ELECTRONICS ENGINEERING BY D.SANDEEP KUMAR 05P11A0255 [pic] DEPARTMENT OF ELECTRICAL AND ELECTRONICS ENGINEERING CHADALAWADA RAMANAMMA ENGINEERING COLLEGE (Affiliated to J.N.T.U‚ ANANTAPUR) TIRUPATI-517506 2009 ABSTRACT Human brains always search for the new ways and means which makes life
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What is so super about superconductors? Perhaps the fact that superconductors are materials that have no resistance to the flow of electricity. So they basically will conduct electricity without resistance when the material is at a very cool temperature. Resistance becomes undesirable because it produces losses in the energy flowing through the material. Resistance creates heat which is why‚ when the material is cooled‚ the resistance will no longer be an included factor in the flow of electricity
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million people are infected yearly. Dengue is caused by any one of four related viruses transmitted by mosquitoes. There are not yet any vaccines to prevent infection with dengue virus and the most effective protective measures are those that avoid mosquito bites. When infected‚ early recognition and prompt supportive treatment can substantially lower the risk of medical complications and death. Dengue has emerged as a worldwide problem only since the 1950s. Although dengue rarely occurs in the continental
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gentle‚ we do not like their company in our bed rooms though we like them in a garden. The mosquito is an unscrupulous enemy that attacks without waiting to be attacked. It stings anyone‚ whether he is the gentlest or the most dangerous man in the world. Because a mosquito is a beast of prey and is out for food‚ we wave it away even in a garden. Bees and wasps are comparatively gentler than the unscrupulous mosquito yet they exhibit a wild passion for revenge. If they are attacked by someone‚ even a mad
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generators works on the principle that when a coil is placed in varying magnetic field‚ an emf is induced in the coil. Synchronous Generator consists of two main windings‚ the armature winding and the field winding. The armature winding is on the stator and the field winding is on the rotor. For a three phase generator‚ the windings of each phase of the armature are displaces by 120 degrees from each other around the inside periphery. The field winding is a coil which carries dc current and hence produces
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steel. The stator consists of a primary excitation coil and a pair of secondary output coils. A fixed alternating current excitation is applied to the primary stator coil that is electromagnetically coupled to the secondary coils. • This coupling is proportional to the angle of the input shaft. The output pair is structured so that one coil is in-phase with the excitation coil‚ and the second is 180 degrees out-of-phase with the excitation coil. When the rotor is in a position that directs the available
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large grey dog covered by 7 large‚ red coils of construction paper. The subject takes up a majority of the piece standing on a soft‚ black platform‚ its paws are sinking in slightly the platform appears almost velvety. The background is black. There seems to be only a middle
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magnets * Induction coil * Four plug-clip leads * Discharge tubes (Maltese cross‚ electric plates‚ rotating wheel‚ screen display) Theory: This experiment is designed to show you the properties of cathode rays as discovered by Sir William Crookes. Method: 1. Connect the power pack to the induction coil and set it to 6 volts. Adjust the points of the induction coil so that a stong steady spark is being produced. 2. Connect the terminals of the induction coil to the discharge tube
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forces between superconducting magnets on board the vehicle and coils on the ground. The following is a general explanation of the principle of Maglev. fig. 1.1 1.1.1 Magnetic Levitation The "8" figured levitation coils are installed on the sidewalls of the guideway. When the on-board superconducting magnets pass at a high speed about several centimeters below the center of these coils‚ an electric current is induced within the coils‚ which then act as electromagnets temporarily. As a result‚ there
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vinegar using a cotton pad. Do not rinse. Once your face dries‚ apply your regular moisturizer or any other product you are using. Acne treatment Combine one part of apple cider vinegar and three parts of Rooibos tea. You can also drop a tea tree or oregano oil. Use this mixture to treat blemishes. Balance your skin’s pH value: Combine one part of apple cider vinegar and four parts of water‚ which is your base. If you have acne prone or oily skin‚ use Rooibos tea instead of
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