Young/Freedman Course Home Assignments Roster Gradebook Item Library Instructor Resources eText Study Area H9 Chapter 28: Sources of Magnetic field‚ Ampere’s law‚ Magnetic materials Overview Summary View Diagnostics View Print View with Answers [ Edit ] H9 Chapter 28: Sources of Magnetic field‚ Ampere’s law‚ Magnetic materials Due: 11:59pm on Monday‚ November 12‚ 2012 Note: You will receive no credit for late submissions. To learn more‚ read your instructor’s Grading
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Explain what it means when we say a substance is magnetic. A substance can be picked up by a magnet. Discuss the relationship between electric and magnetic fields. The magnetic field will be perpendicular to the electric field and vice versa Before you begin your lab‚ you need to form a hypothesis that reflects which material‚ voltage‚ and number of winds you think will produce the strongest electromagnet. Record your hypothesis as an if then statement. If I use copper‚ 100 volts‚ large thickness
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The benefit verses the effect of fetal Magnetic Resonance Imaging has been a controversial subject for years. Magnetic Resonance Imaging is a helpful tool for diagnosis of many diseases and abnormalities‚ but is it actually harmful to the fetus? Do the benefits of the Magnetic Resonance Imaging outweigh the risks? Ultrasound is the mostly commonly used imaging used in pregnancy‚ but in certain cases using fetal Magnetic Resonance Imaging in conjunction with ultrasound is very beneficial in planning
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Lab V‚ Problem 8: Magnetic Force on a Moving Charge John Greavu Partners: Hannah Eshenaur and David Sturg August 15‚ 2013 Physics 1302W‚ Professor: John Capriotti‚ TA: Barun Dhar Objective In order to improve the design of an electron microscope‚ we attempted to use a magnetic field to control the electron beam. Utilizing a cathode cay tube (CRT)‚ we oriented a magnetic field perpendicular to the axis of the CRT’s electron beam. From previous experience‚ we decided on using Helmholtz coils to
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Magnetic seperating production line mainly consists of jaw crusher‚ cone crusher‚ circular vibrating screen‚rod mill‚ spiral classifier‚ hydrocyclone or high frequency fine screen‚ magnetic separator‚ flotation machine‚ thickener‚ filter equipment‚ etc. It can be composed of three types according to its magnetic field strength‚ respectively is in the weak magnetic separator‚ magnetic separator and the strong magnetic separator. Three types of magnetic separator have different magnetic field intensity
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The magnetic separator is characterized by a turbulent magnetic field and high separation factor‚ advanced structure‚ light weight‚ reliable operation and convenient maintenance. The magnetic separator is very suitable for the districts that are short of water so that water resource may be saved and ore dressing coasts may be reduced. It develops a new way for mining and utilization of magnetite. The customers often encounter problems in the use of magnetic separator ‚ such as motor overheating
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Ampere’s Law The line integral of the magnetic flux around a closed curve is proportional to the algebraic sum of electric currents flowing through that closed curve; or‚ in differential form curl B = J. This was later modified to add a second term when it was incorporated into Maxwell’s equations. Archimedes’ Principle A body that is submerged in a fluid is buoyed up by a force equal in magnitude to the weight of the fluid that is displaced‚ and directed upward along a line through the center
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Memory “boosted” using Transcranial Magnetic Stimulation (TMS) Researchers at Northwestern University claim to have successfully improved memory functions through the use of transcranial magnetic stimulation (TMS)‚ a noninvasive technique used to excite or inhibit neurons within the human brain. Prior to testing the participants’ memory abilities‚ each individual’s brain activity was recorded during an magnetic resonance imaging (MRI) scan in order for researchers to precisely target s
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1. What is the intended role of each of the institutions and intermediaries discussed in the case for the effective functioning of capital markets? In an effective functioning of capital markets‚ the institution and intermediaries help investors and companies to make decisions. This is because they do not have enough information or infrastructure to know how the capital markets work. In details‚ here are the examples of role of players in the institutions and intermediaries. Venture capitalist:
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Flash Research – Google Docs While Google Docs is a great resource I do not believe it would be ideal for us. Google Docs is a web-based suite of applications that allows you to create and share documents‚ spreadsheets‚ power point’s‚ and other files. It can greatly increase collaboration and is only a third of the cost of its competitors for installation and maintenance. Google Docs offers online applications that are similar to Microsoft’s Word‚ Excel‚ and PowerPoint. Because they are
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