PPT-Lecture 06 Magnetic Classification of Materials

Author : adia | Published Date : 2023-10-04

1 The most Important question showing the importance of these materials is Why all the electrical machines like Motors generators or transformers are made of an

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Lecture 06 Magnetic Classification of Materials: Transcript

1 The most Important question showing the importance of these materials is Why all the electrical machines like Motors generators or transformers are made of an iron core 2 Suppose the current increased gradually . Calculate the magnetic field for certain current configuration using Amperes law Derive the differential form of Amperes law Amperes Law BiotSavarts law for magnetic field due to a current element is difficult to visualize physically as such element and Brian Voigt © 2011, . except where noted. Lecture 6:. Introduction to Projections and Coordinate Systems. By Austin Troy and Brian Voigt, University of Vermont,. with sections adapted from ESRI’s online course on projections. 1. . ALL magnets have NORTH and south poles.. 2. When freely suspended, all magnets point to the north- Directional property.. NORTH . seeking. pole. SOUTH . seeking. pole. Magnetic materials.. Materials that can be attracted by a magnet. … force in . direction. … . sample volume. … magnetic . susceptibility. … magnetic field. … gradient of . the magnetic . field. . The magnetic susceptibility . characterizes the magnetic properties of materials. Troy, Brian Voigt and . Weiqi. Zhou . except where noted © . 2011. Lecture 5:. Introduction to Raster . Analysis. ------Using GIS--. By Austin . Troy, Brian Voigt . and . Weiqi. . Zhou. University . Lecture 10:. Part 1: GPS. Part 2: Interpolation and . geostatistics. By Austin Troy. ------Using GIS--. Lecture Materials by Austin Troy, Weiqi Zhou and Jarlath O’Neil Dunne© 2008. Part 1:. Global Positioning System. … force in . direction. … . sample volume. … magnetic . susceptibility. … magnetic field. … gradient of . the magnetic . field. . The magnetic susceptibility . characterizes the magnetic properties of materials. What is a magnet?. Magnet. Permanent Magnets. By shape. Material. Temporary magnets?. Electromagnets. 1. ALL magnets have NORTH and south poles.. 2. When freely suspended, all magnets point to the north- Directional property.. Magnets attract objects made of magnetic materials. Magnetic materials include the elements . iron, nickel, cobalt, . alloys containing some of these such as . steel . and some of their compounds.. stainless steel. Magnetic refrigeration is a cooling technology based on the magneto caloric effect. .. Invented by Emil Warburg in . 1880. Used to attain cryogenic temperatures well below 1. o. K with the help of magnetic fields. Magnetoplasmonics . . Magnetic Materials Group. IMEM-CNR Parma. II. Magnetoplasmonics. (I) - Introduction. MAGNETO. -. PLASMONICS. Mulvaney MRS Bull (2001). Au. Magnetic. Surface plasmon. resonance. nrtypically have intrinsic coercivity less than 1000 Am-1 They are used primarily to enhance and/or channel the flux produced by an electric current The main parameter often used as a figure of meri The . origin of magnetism . lies in the . orbital. and . spin motions of electrons . and . how the electrons interact with one another. . The . best way . to introduce . the different types of magnetism . 6. M.Sc. . Sadiq Almayali. Rheology. Rheology. Rheology is the study of flow of matter. In dentistry, study of rheology is necessary because many dental materials are liquids at some stage of their use, e.g. molten alloy and freshly mixed impression materials and cements. Other materials appear to be solids but flow over a period of time..

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