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Electromagnetism:     more books (101)

The Body Electric: Electromagnetism and the Foundation of Life by Robert Becker, Gary Selden, 1998-08-05 Electromagnetism by Gerald Pollack, Daniel Stump, 2001-10-12 Classical Electromagnetism by Jerrold Franklin, 2005-03-03 Problems and Solutions on Electromagnetism (Major American Universities Ph.D. Qualifying Questions and Solutions) Electromagnetism by John C. Slater, Nathaniel H. Frank, 2011-02-17 Electromagnetism, 2E by I. S. Grant, W. R. Phillips, 1991-01 The Ankh: African Origin of Electromagnetism by Nur Ankh Amen, 1999-05 Maxwell's Equations and the Principles of Electromagnetism (Physics) (Physics (Infinity Science Press)) by Richard Fitzpatrick, 2008-01-28 Beginning Physics II:Waves, Electromagnetism, Optics and Modern Physics by Alvin Halpern, Erich Erlbach, 1998-06-01 Physics Formulas and Tables: Classical Mechanics, Heat, Gas, Thermodynamics, Electromagnetism, Optics, Atomic Physics, Physical Constants, Symbols & more. ... chapters in demo (Mobi Study Guides) by MobileReference, 2007-06-20 Collective Electrodynamics: Quantum Foundations of Electromagnetism by Carver A. Mead, 2002-08-07 Principles of electricity and electromagnetism (International series in pure and applied physics) by Gaylord Probasco Harnwell, 1949 Applied Electromagnetism (Pws Engineering Foundation) by Liang C. Shen, Jin Au Kong, 1995-03-20 Charging Ahead: An Itroduction to Electromagnetism (# PB155X) by Larry E. Schafer, 2001-04

lists with details

1. Electromagnetism - Wikipedia, The Free Encyclopedia
   electromagnetism is the physics of the electromagnetic field a field which exerts a force on particles that possess the property of electric charge,  
   http://en.wikipedia.org/wiki/Electromagnetism
   
   Extractions: Jump to: navigation search Electromagnetism Electricity Magnetism Electrostatics Electric charge ... edit Electromagnetism is the physics of the electromagnetic field: a field which exerts a force on particles that possess the property of electric charge , and is in turn affected by the presence and motion of those particles. A changing magnetic field produces an electric field (this is the phenomenon of electromagnetic induction , the basis of operation for electrical generators induction motors , and transformers ). Similarly, a changing electric field generates a magnetic field. Because of this interdependence of the electric and magnetic fields, it makes sense to consider them as a single coherent entity—the electromagnetic field. The magnetic field is produced by the motion of electric charges, i.e. electric current . The magnetic field causes the magnetic force associated with magnets The theoretical implications of electromagnetism led to the development of special relativity by Albert Einstein in While preparing for an evening lecture on 21 April 1820

2. Electromagnetism
   electromagnetism describes the relationship between electricity and magnetism. Nearly everyone, at some time or another, has had the opportunity to play  
   http://www.eas.asu.edu/~holbert/wise/electromagnetism.htm
   
   Extractions: What is Electromagnetism? Electromagnetism describes the relationship between electricity and magnetism. Nearly everyone, at some time or another, has had the opportunity to play with magnets. Most of us are acquainted with bar magnets or those thin magnets that usually end up on refrigerators. These magnets are known as permanent magnets. Although permanent magnets receive a lot of exposure, we use and depend on electromagnets much more in our everyday lives. Electromagnetism is essentially the foundation for all of electrical engineering. We use electromagnets to generate electricity, store memory on our computers, generate pictures on a television screen, diagnose illnesses, and in just about every other aspect of our lives that depends on electricity. Electromagnetism works on the principle that an electric current through a wire generates a magnetic field. This magnetic field is the same force that makes metal objects stick to permanent magnets. In a bar magnet, the magnetic field runs from the north to the south pole. In a wire, the magnetic field forms around the wire. If we wrap that wire around a metal object, we can often magnetize that object. In this way, we can create an electromagnet. Experiments Involving Electromagnetism In order to find out more about electromagnetism, and do an experiment of your own, click on one of the pictures below. Try making your own:

3. Electromagnetism
   General electromagnetic theory, including static field equations, the origins of inductance, and EMR.  
   http://www.mariner.connectfree.co.uk/html/electromagnetism.html
   
   Extractions: Electromagnetism Home Electromagnetic Inertia Have you ever thought “If an electron induces a magnetic field when it moves, and magnetic fields contains energy, where does the energy to create this field come from?” Click here to find out more about Electromagnetic Inertia. Electrostatic Potential Energy The starting point for all electrostatic interactions is that between two point electric charges such as two electrons, or between a positron and an electron. In the 19th century scientists did not understand the interaction, and invented the concept of “potential energy” to provide the force that drove these particles together or apart. It was only when Einstein developed the equivalence of mass and energy that the true source of the energy became apparent. You are probably familiar with the concept that electric fields contain energy and it is the interaction between the fields of the two charges that leads to changes in their energy and hence to the forces between them, energy being simply the integral of force over distance. This paper develops the equations for the interaction at any point in space near the charges, without recourse to “potential energy”. Click here to view the paper on electrostatic fields and the associated potential energy.

4. Electromagnetism - Succeed In Physical Science: School For Champions
   Explanation of how electromagnetism is created Succeed in Physical Science School for Champions.  
   http://www.school-for-champions.com/science/electromagnetism.htm
   
   Extractions: The School for Champions is an educational website that shows you how to achieve your dreams. Search site SfC Home Physical Science Explanation of how Electromagnetism is created - Succeed in Physical Science. Also refer to physics, magnetism, electromagnet, magnet, electricity, electrons, AC, DC, forces, compass, poles, iron, battery, Tesla, gauss, Ron Kurtus, School for Champions. by Ron Kurtus (revised 3 April 2005) An electromagnet is an object that acts like a magnet, but its magnetic force is created and controlled by electricitythus the name electromagnet . By wrapping insulated wire around a piece of iron and then running electrical current through the wire, the iron becomes magnetized. This happens because a magnetic field is created around a wire when it has electrical current running through it. Creating a coil of wire concentrates the field. Wrapping the wire around an iron core greatly increases the strength of the magnetic field. Questions you may have include: How can you make an electromagnet?

5. Chapter 2: Electromagnetism
   For more information on electromagnetism, see the Recommended Reading section. Order super magnets here. Del.icio.us  
   http://sci-toys.com/scitoys/scitoys/electro/electro.html
   
   Extractions: Back in the 1960's my father taught me how to make the little electric motor we will make here. Sometime in the 1980's I saw a description of it in the magazine "Physics Teacher". Lately I have seen it described as Beakman's motor, after the science oriented TV show on which it recently appeared. The motor is simply a battery, a magnet, and a small coil of wire you make yourself. There is a secret to making it (which I will of course share with you) which is at the same time clever and delightfully simple. What you will need: A battery holder, such as Radio Shack #270-402 (holds a "C" cell) or #270-403 (holds a "D" cell). A battery to fit the holder. A magnet such as Radio Shack #64-1877, #64-1895, #64-1883, #64-1879, or #64-1888. Some magnet wire such as Radio Shack #278-1345. We want enamel coated 22 gauge (or thicker) wire. We will only need about a yard of wire, so the Radio Shack package will make a dozen motors or more. Some heavier wire such as Radio Shack #278-1217 or #278-1216. We want bare wire of 18 or 20 gauge, so we will be removing the plastic insulation from the wires listed above. We will need less than a foot of this wire per motor.

6. Electromagnetism
   The electromagnetic force causes likecharged things to repel and oppositely-charged things to attract. Many everyday forces, such as friction,  
   http://particleadventure.org/frameless/electromagnetism.html
   
   Extractions: What Holds it Together? Electromagnetism The electromagnetic force causes like-charged things to repel and oppositely-charged things to attract. Many everyday forces, such as friction, and even magnetism, are caused by the electromagnetic, or E-M force. For instance, the force that keeps you from falling through the floor is the electromagnetic force which causes the atoms making up the matter in your feet and the floor to resist being displaced. The carrier particle of the electromagnetic force is the photon ). Photons of different energies span the electromagnetic spectrum of x rays, visible light, radio waves, and so forth. Photons have zero mass, as far as we know, and always travel at the "speed of light", c, which is about 300,000,000 meters per second, or 186,000 miles per second, in a vacuum.

7. Teaching Electromagnetism Using Advanced Technologies: John W. Belcher MIT
   Michael Faraday was the first to realize that the shape of electromagnetic field lines is extraordinarily expressive of their dynamical effects.  
   http://web.mit.edu/jbelcher/www/anim.html
   
   Extractions: Teaching Electromagnetism Using Advanced Technologies Animations created using Discreet's 3D Studio MAX This work is supported by NSF Grant #9950380 , an MIT Class of 1960 Fellowship, The Helena Foundation, the MIT Classes of 51 and 55 Funds for Educational Excellence, the MIT School of Science Educational Initiative Awards, and MIT Academic Computing. A Description of the TEAL/Studio Project at MIT (pdf file) Michael Faraday was the first to realize that the shape of electromagnetic field lines is extraordinarily expressive of their dynamical effects. We can understand intuitively many things about the forces transmitted by the fields by looking at the topology of the field lines. This is especially true when the field lines are animated. The examples given here are only a few of many (if you do not have a movie player, download QuickTime 3 to view both avi and quicktime files) Faraday's Law

8. VRML Gallery Of Electromagnetism (by Rob Salgado)
   Syracuse University VRML Gallery of electromagnetism.  
   http://physics.syr.edu/courses/vrml/electromagnetism/

9. Electromagnetism: Definition And Much More From Answers.com
   electromagnetism n. Magnetism produced by electric charge in motion. The physics of electricity and.  
   http://www.answers.com/topic/electromagnetism
   
   Extractions: BodyLoad('s'); On this page: Select Article Dictionary Sci-Tech Encycl. Britannica Concise Veterinary Electronics Wikipedia Or search: - The Web - Images - News - Blogs - Shopping Dictionary Ä­-lĕk trō-măg nÄ­-tÄ­z əm Also from Answers.com... Allergies Health videos on seasonal allergies, including allergy treatment options. document.getElementById("videoBox").style.display="block" ADVERTISEMENT Home Business Entertainment Food ... More... InitForm('lookup1','autodiv1','down'); Library Arts Business Entertainment Food ... Sci-Tech Encyclopedia Electromagnetism The branch of science dealing with the observations and laws relating electricity to magnetism. Electromagnetism is based upon the fundamental observations that a moving electric charge produces a magnetic field and that a charge moving in a magnetic field will experience a force. The magnetic field produced by a current is related to the current, the shape of the conductor, and the magnetic properties of the medium around it by Amp¨re's law. The magnetic field at any point is described in terms of the force that it exerts upon a moving charge at that point. The electrical and magnetic units are defined in terms of the ampere , which in turn is defined from the force of one current upon another. The association of electricity and magnetism is also shown by electromagnetic induction, in which a changing magnetic field sets up an electric field within a conductor and causes the charges to move in the conductor.

10. Electromagnetism
    Authors web pages for the textbook electromagnetism , by GL Pollack and DR Stump, published by AddisonWesley.  
    http://www.pa.msu.edu/~stump/EM/

11. MSci Electromagnetism : Lecture Notes
    Lecture Notes 10 The Lagrangian and Hamiltonian for a charged particle and the electromagnetic field, the canonical and symmetric stress tensors,  
    http://www.strings.ph.qmul.ac.uk/~bill/emt/LecNotes.html
    
    Extractions: The following notes (in PDF format) summarise the course. More detailed discussion of this material will be presented in the lectures, and the course of the lectures may not follow exactly that of the notes. Lecture Notes 7 and 8 will be covered in one week. There will be some revision of these notes during the 2006/7 course in order to match the lectures more closely.

12. Electromagnetism
    We are now in a position which will allow us, at least qualitatively, to describe the origins of electromagnetic radiation and its interaction with atoms  
    http://www.ch.ic.ac.uk/local/physical/mi_5.html
    
    Extractions: 5 Electromagnetism 5.1 Magnetism So far we have discussed the forces between charges which are at rest with respect to each other. When charges are moving relative to each other they exert an additional force, the magnetic force. This force, as we will see later, plays a negligible role in inter atomic and intermolecular bonding. However, the effect of magnetic fields on atoms and molecules is used widely in all manner of spectroscopies, and we will need to appreciate magnetic behaviour in order to understand the interaction of light and other electromagnetic radiation with atoms and molecules. 5.1.1 The Lorentz Force Magnetic materials were discovered well before the electrostatic effects of rubbing amber. The magnetic iron oxide, magnetite, was mined in Asia Minor well before the birth of Christ, indeed by about 100 BC the Chinese had already discovered that such minerals would align with the north and south poles. By the beginning of the 19th Century it was known that such bar magnets would repel if like poles were facing each other and attract if the poles were of the opposite sense, and the similarities with the behaviour of electric charges had for some time interested scientists of the time. They made the following observations * the force is proportional to the magnitude and sign of the charge on the particle * the force is proportional to the velocity of the charged particle * the force is proportional to the magnitude of the magnetic field * the magnitude of the force depends on the relative orientation between the line of flight and the direction of the magnetic field

13. Electromagnetism -- Britannica Online Encyclopedia
    Britannica online encyclopedia article on electromagnetism science of charge and of the forces and fields associated with charge. Electricity and magnetism  
    http://www.britannica.com/eb/article-9106021/electromagnetism
    
    Extractions: document.writeln(''); document.writeln('Initializing application...'); Username Password Remember me Forgot your password? Search Site: science of charge and of the forces and fields associated with charge. Electricity and magnetism are two aspects of electromagnetism. Electric forces are produced by electric charges either at rest or in motion. Magnetic forces, on the other hand, are produced only by moving charges and act solely on charges in motion. Electric phenomena occur even in neutral matter because the forces act on the individual charged constituents. The electric force, in particular, is responsible for most of the physical and chemical properties of atoms and molecules. It is enormously strong compared with gravity . For example, the absence of only one electron out of every billion molecules in two 70-kilogram (154-pound) persons standing two metres (two yards) apart would repel them with a 30,000-ton force. On a more familiar scale, electric phenomena are responsible for the lightning and thunder accompanying certain storms. Electric and magnetic forces can be detected in regions called electric and magnetic fields. These fields are fundamental in nature and can exist in space far from the charge or current that generated them. Remarkably, electric fields can produce magnetic fields and vice versa, independent of any external charge. A changing magnetic field produces an electric field, as the English physicist Michael Faraday discovered in work that forms the basis of electric power generation. Conversely, a changing electric field produces a magnetic field, as the Scottish physicist James Clerk Maxwell deduced. The mathematical equations formulated by Maxwell incorporated light and wave phenomena into electromagnetism. He showed that electric and magnetic fields travel together through space as waves of

14. Electromagnetism
    Introduction to how magnets work, the history of magnets, types of magnets, Uses of magnets and electromagnetism.  
    http://www.howmagnetswork.com/Electromagnetism.html
    
    Extractions: How Magnets Work Earth's Magnetic Fields History of Magnets Industrial Magnet Uses Electromagnetism Types of Magnets The term "magnetic effect of current" means that "a current flowing in a wire produces a magnetic field around it". The magnetic effect of current was discovered by Oersted in 1820. Oersted found that a wire carrying a current was able to deflect a magnetic needle. Now, a magnetic needle can only be deflected by a magnetic field. Thus it was concluded that a current flowing in a wire always gives rise to a magnetic field round it. The magnetic effect of current is called electromagnetism which means that electricity produces magnetism. The magnetic lines of force round a straight conductor carrying current are concentric circles whose centers lie on the wire. The magnitude of magnetic field produced by a straight current-carrying wire at a given point is: Directly proportional to the current passing in the wire, and

15. MIT OpenCourseWare | Electrical Engineering And Computer Science | 6.635 Advance
    This course features lecture notes and some MATLAB® demonstrations which help to illustrate the principles of electromagnetism.  
    http://ocw.mit.edu/OcwWeb/Electrical-Engineering-and-Computer-Science/6-635Advan
    
    Extractions: skip to content Home Courses Donate ... Electrical Engineering and Computer Science Advanced Electromagnetism Maxwell's equations. (Image courtesy of MIT OCW.) lecture notes In 6.635, topics covered include: special relativity, electrodynamics of moving media, waves in dispersive media, microstrip integrated circuits, quantum optics, remote sensing, radiative transfer theory, scattering by rough surfaces, effective permittivities, random media, Green's functions for planarly layered media, integral equations in electromagnetics, method of moments, time domain method of moments, EM waves in periodic structures: photonic crystals and negative refraction. Media player software, such as , or , is required to run the .mpeg files found on this course site. The latest version of can be used to run the .mp4 files in this section. Instructor:

16. Electromagnetism - Definition From The Merriam-Webster Online Dictionary
    Definition of electromagnetism from the MerriamWebster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games.  
    http://www.merriam-webster.com/dictionary/electromagnetism
    
    Extractions:  magnetism developed by a current of electricity 2 a electromagnetic force gravity strong force weak force b  a branch of physical science that deals with the physical relations between electricity and magnetism Learn more about "electromagnetism" and related topics at Britannica.com See a map of "electromagnetism" in the Visual Thesaurus Pronunciation Symbols Products Premium Services ... Advertising Info

17. K12 Electromagnetism And Magnetism
    K12 electromagnetism and magnetism. Interaction between a magnet and a conductor through which flows a current. The thermal and chemical effects of an  
    http://kr.cs.ait.ac.th/~radok/physics/k12.htm
    
    Extractions: Electromagnetism and magnetism Interaction between a magnet and a conductor through which flows a current The thermal and chemical effects of an electric current occur in the track of the current . Consider next actions of currents away from it . Just as electricity at rest has its electric field, so does the moving one; the environment of a conductor carrying a current exercises apparent distant action: Especially on nearby magnetic needles. A magnetic needle has at every point on Earth's surface a definite direction (in a definite magnetic meridian ) and, if you force it to turn elsewhere and then release it, it will always return to its initial direction. Apparently a force ( Earth's magnetism ) keeps the needle within the magnetic meridian; it requires work, to deflect it from it. Work of this kind can be performed by an electric current: It diverts the magnetic needle (first discovered by Oerstedt 1820) and thereby performs what only a magnet can do - in other words: Flowing electricity exerts magnetic forces . For the direction in which the current turns the needle you have the rule: Imagine you swim in the conductor

18. Electromagnetism
    electromagnetic force, a longrange force involving the electric and magnetic properties of elementary particles. It is responsible for the repulsion of  
    http://www.neutron.anl.gov/hyper-physics/electrom.html
    
    Extractions: electromagnetic force , a long-range force involving the electric and magnetic properties of elementary particles . It is responsible for the repulsion of like and attraction of unlike electric charges and explains atomic structure and the properties of light and other forms of electromagnetic radiation. Two point charges will attract or repel each other according to Coulomb's law with a force that is directly proportional to the product of their charges and inversely proportional to the square of the distance between them: F=C·q ·q /r The electromagnetic interaction is mediated, or carried, by photons . Because its effects can be easily observed, electromagnetism is the most thoroughly studied and best understood of the four fundamental forces of nature . The same laws that govern electromagnetism on the subatomic scale also apply on a large scale in motors, generators, and electronic equipment. A moving electric charge gives rise to a magnetic field, and if its motion changes the magnetic field varies and in turn produces an electric field; this is the origin of electromagnetic radiation.

19. GCSE SCIENCE PHYSICS HIGH SCHOOL - Electromagnetism - All Links - Gcsescience.co
    gcsescience.com gcsescience.com. electromagnetism Magnets Straight Wire Electromagnetic Coil Bell Relay Circuit Breaker RCCB  
    http://www.gcsescience.com/pme.htm

20. Electromagnetism : MAGNETISM AND ELECTROMAGNETISM
    electromagnetism. The discovery of the relationship between magnetism and electricity was, like so many other scientific discoveries, stumbled upon almost  
    http://www.allaboutcircuits.com/vol_1/chpt_14/2.html
    
    Extractions: var addthis_pub = 'GFYGCMPH6Z132X8G'; Volume I - DC MAGNETISM AND ELECTROMAGNETISM The discovery of the relationship between magnetism and electricity was, like so many other scientific discoveries, stumbled upon almost by accident. The Danish physicist Hans Christian Oersted was lecturing one day in 1820 on the possibility of electricity and magnetism being related to one another, and in the process demonstrated it conclusively by experiment in front of his whole class! By passing an electric current through a metal wire suspended above a magnetic compass, Oersted was able to produce a definite motion of the compass needle in response to the current. What began as conjecture at the start of the class session was confirmed as fact at the end. Needless to say, Oersted had to revise his lecture notes for future classes! His serendipitous discovery paved the way for a whole new branch of science: electromagnetics. Detailed experiments showed that the magnetic field produced by an electric current is always oriented perpendicular to the direction of flow. A simple method of showing this relationship is called the

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