Magnetic Properties of Solids Magnetic Properties Magnetic (with unpaired electron) Materials Non-magnetic or diamagnetic (electrons all paired up) Paramagnetic Ferromagnetic Antiferromagnetic Ferrimagnetic Magnetic Behavior B = μH B = μ0H + μ0M Induction generated Induction generated by the field by the sample B: magnetic flux density μ: permittivity (m0: free space) H: magnetic field M: Magnetization χ = M/H χ: magnetic susceptibility B = μ0H + μ0Hχ B = μ0H (1 + χ) = μH
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Sylvia Mae A. Corcilles Letecia A. Bartolome Masteral Student Masteral Teacher Case Three: Creative Toys Company 1. Identification of the Problem The Creative Toys Company‚ a small firm that specializes in producing small wooden toys‚ was started by John Wilson. The company is proud of its history‚ stability and growth in the industry. Low turnover rates are result of good wages and fringe benefits. One department in particular the transportation department had been highly productive
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SCHOOL OF LAW Year 2013-14 Term 1 LAW001 ETHICS AND SOCIAL RESPONSIBILITY Instructor: David N. Smith Practice Professor‚ School of Law Tel: Email: Office: 6828 0788 davidsmith@smu.edu.sg School of Law‚ Room 4044‚ Level 4 COURSE DESCRIPTION Issues of ethics and social responsibility arise in all professions and all aspects of life. The failure to anticipate‚ recognize and deal effectively with these issues can have serious implications for individuals‚ companies‚ governments
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The magnetic interaction is described in terms of a vector field‚ where each point in space (and time) is associated with a vector that determines what force a moving charge would experience at that point (see Lorentz force). Since a vector field is quite difficult to visualize at first‚ in elementary physics one may instead visualize this field with field lines. The magnetic flux through some surface‚ in this simplified picture‚ is proportional to the number of field lines passing through that surface
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Magnetic tape is a medium for magnetic recording‚ made of a thin magnetizable coating on a long‚ narrow strip of plastic film. It was developed in Germany‚ based on magnetic wire recording. Devices that record and play back audio and video using magnetic tape are tape recorders and video tape recorders. A device that stores computer data on magnetic tape is a tape drivOver years‚ magnetic tape can suffer from deterioration called sticky-shed syndrome. Caused by absorption of moisture into the binder
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Nickel content. Alnico magnet alloy has high maximum operating temperature and a very good corrosion resistance. Some grades of Alnico alloy can operate upwards of 1000C. Magnets made with this alloy are available in a variety of grades and dimensions and they are usually cast. Alnico magnet material is an older technology and it has a rather low intensity magnetic field. Alnico magnet alloy is now mainly used in applications where the magnet will be exposed to elevated temperatures. • Rare Earth Magnets
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Running head: CODE OF ETHICS 1 Code of Ethics Western Governors University CODE OF ETHICS 2 Code of Ethics The company must do business ethically to remain competitive in today’s society. We must do the right thing to minimize the exposure of the company to litigation and damage to our reputation. The company’s image affects all involved and we must protect our employees‚ customers‚ and investors. The company must have the goal of upholding ethical principles and realize the
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Production of magnetic flux A rotating magnetic field in the stator is the first part of operation. To produce a torque and thus rotate‚ the rotors must be carrying some current. In induction motors‚ this current comes from the rotor conductors. The revolving magnetic field produced in the stator cuts across the conductive bars of the rotor and induces an e.m.f. The rotor windings in an induction motor are either closed through an external resistance or directly shorted. Therefore‚ the e.m.f induced
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Gift at a Time AV Homes and the Marine Toys for Tots Foundation‚ the premier community action program of the U.S. Marine Corps‚ have partnered together to make sure no child goes without a gift this holiday season. With over 15.5 million children living in poverty in the United States‚ we here at AV Homes felt there was no better time than the present to lend a helping hand in bringing joy to less fortunate children during this most special time of year. Toys for Tots started in 1947 in Los Angeles
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TOYWORLD CASE STUDY Prepared By: ABDULLAH AL-SHAHRANI MOHAMMED AL-JUHANI Background: ToyWorld‚ Inc. was founded in 1973 by David Dunton. Before that‚ he had been employed as production manager by a large manufacturer of plastic toys. Mr. Dunton and his former assistant‚ Jack McClintock‚ established Toy World‚ Inc. with their savings in 1973. Originally a partnership‚ the firm was incorporated in1974‚ with Mr. Dunton taking 75% of the capital stock and Mr
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