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Topic: Electromagnetic unit

	ELECTRICAL UNITS,
		The CGS unit of electrical charge is the electrostatic unit (esu), which is defined as the quantity of electricity that when concentrated at a point in a vacuum will repel a like charge 1 cm away with a force of 1 dyne.
		The abvolt, the electromagnetic unit of potential difference, is the potential difference between two points when 1 erg of work is necessary to move 1 abcoulomb of electricity from one point to the other.
		The commonly used unit of resistance is the ohm, which is the resistance of a conductor in which a potential difference of 1 V causes a current flow of 1 amp.
	www.history.com /encyclopedia.do?articleId=208352 (1273 words)

	History Channel Search Results
		The CGS unit of electrical charge is the electrostatic unit (esu), which is defined as the quantity of electricity that when concentrated at a point in a vacuum will repel a like charge 1 cm away with a force of 1 dyne.
		The abvolt, the electromagnetic unit of potential difference, is the potential difference between two points when 1 erg of work is necessary to move 1 abcoulomb of electricity from one point to the other.
		The commonly used unit of resistance is the ohm, which is the resistance of a conductor in which a potential difference of 1 V causes a current flow of 1 amp.
	historychannel.com /encyclopedia/article.jsp?link=FWNE.fw..el024000.a (808 words)

	Electromagnetic unit fuel injector - Patent 4568021
		An electromagnetic unit fuel injector for use in a diesel engine includes a housing with a pump therein defined by an externally actuated plunger reciprocable in a bushing and defining therewith a pump chamber open at one end for the discharge of fuel to a spring biased, pressure actuated fuel injection nozzle.
		In one form of such a unit injector, the plunger is provided with helices which cooperate with suitable ports in the bushing whereby to control the pressurization and therefore the injection of fuel during a pump stroke of the plunger.
		1, there is shown an electromagnetic unit fuel injector constructed in accordance with the invention, that is, in effect, a unit fuel injector-pump assembly with a dry electromagnetic push actuated valve incorporated therein to control fuel discharged from the injector portion of this assembly in a manner to be described.
	www.freepatentsonline.com /4568021.html (3324 words)

	Lakhovsy MWO
		He theorized that the electromagnetic wave structure of the pathologic bacterium tends to interfere with the normal wave patterns of the infected organ or part and that if the body is successful in overcoming the infection, it indicates that the body's wave mechanism is sufficiently powerful to overcome that of the bacterium.
		As the electromagnetic energy from the diathermy machine passes through the tissues of the body, a combination effect of hysteresis and eddy currents is produced causing thermal activity in the tissues proportional to their density and the magnitude of the electromagnetic wave.
		Electromagnetic treatments are given to mildly stimulate the parts of the system that have become sluggish and inactive and that thereby may have enhanced the disease.
	www.altered-states.net /barry/Lakhovsky/electromagnetic.htm (5329 words)

	Electromagnetic unit fuel injector with port assist spilldown - Patent 4618095
		The electromagnetic or solenoid actuated control valve, operating through computer controlled electrical signals is adapted to provide for a range of injection timing and output that is, in effect, limited only by the pump plunger actuating camshaft design in a given engine application.
		The electromagnetic unit fuel injector 1 is, in effect, a unit fuel injector-pump assembly with an electromagnetic actuated, normally open control valve incorporated therein to control fuel discharge from the injector portion of this assembly in a manner to be described.
		In the construction illustrated, the electromagnetic unit fuel injector 1 includes an injector body 10 which is defined by a vertical main body portion 10a and an integral side body portion 10b.
	www.freepatentsonline.com /4618095.html (3811 words)

	Electrokinetics - LoveToKnow 1911
		Since the length of the circumference of the circle of unit radius is 27r units, this is equivalent to stating that the unit current on the electromagnetic C.G.S. system is a current such that unit length acts on unit magnetic pole with a unit force at a unit of distance.
		Another definition, called the electrostatic unit of current, is as follows: Let any conductor be charged with electricity and discharged through a thin wire at such a rate that one electrostatic unit of quantity (see Electrostatics) flows past any section of the wire in one unit of time.
		The practical unit of current, called the international ampere, is, however, legally defined at the present time as the continuous unidirectional current which when flowing through a neutral solution of silver nitrate deposits in one second on the cathode or negative pole o oo'118 of a gramme of silver.
	www.1911encyclopedia.org /Electrokinetics (6615 words)

	EIA Energy Kid's Page Glossary of Energy Terms
		Ampere - A unit of measure for an electrical current; the amount of current that flows in a circuit at an electromotive force of one Volt and at a resistance of one Ohm.
		British thermal unit (Btu) - The amount of heat required to raise the temperature of one pound of water one degree Fahrenheit; equal to 252 calories.
		Kinetic Theory of Gases - The theory that physical properties of a gas are due to the rapid motion in a straight line of its molecules, to their impacts against each other and the walls of the container, and to weak attraction forces between the molecules.
	www.eia.doe.gov /kids/glossary (6579 words)

	Electromagnetic Waves
		Perhaps the greatest theoretical achievement of physics in the 19th century was the discovery of electromagnetic waves.
		One could then define the unit of current, as the current which, when flowing in a straight wire, attracts a similar current in a parallel wire 1 meter away with a force of unit strength, for every meter of the wires' length.
		Gradually other electromagnetic waves were found The wave nature of light causes different colors to be reflected differently by a surface ruled in fine parallel scratches--which is why a compact laser disk (for music or computer use) shimmers in all colors of the rainbow.
	www-istp.gsfc.nasa.gov /Education/wemwaves.html (1019 words)

	Radiation Basics - Learning About Radiation - Glossary of Terms (Site not responding. Last check: 2007-11-03)
		The mass of an isotope of an element expressed in atomic mass units, which are defined as one-twelfth of the mass of an atom of carbon-12.
		Electromagnetic radiation capable of producing the sensation of heat and found between light and radiofrequency radiations in the electromagnetic spectrum.
		Electromagnetic radiation capable of producing the sensation of vision and found between ultraviolet and infrared radiations in the electromagnetic spectrum.
	www.arpansa.gov.au /basics/glossary.htm (1201 words)

	Engineering Database
		An abbreviation of candela, the SI unit of luminous intensity.
		The centimetre is a unit of length and is one hundredth of a metre by definition.
		An abbreviation of centipoise, one hundredth of a poise.
	www.diracdelta.co.uk /science/source/p/h/physics/source.html (5315 words)

	Chapter XI. Electomagnetic Separation Of Uranium Isotopes \| Atomic Energy for Military Purposes (The Smyth Report) \| ...
		In Chapter IV we said that the possibility of large-scale separation of the uranium isotopes by electromagnetic means was suggested in the fall of 1941 by E. Lawrence of the University of California and H. Smyth of Princeton University.
		Construction of initial units of a plant had been authorized and designs had been frozen for such units, but the whole electromagnetic program had been in existence for only a little more than a year and it was obvious that available designs were based on shrewd guesses rather than on adequate research.
		In units of the first stage it was essential to recover the separated uranium from the receivers with maximum efficiency; whereas recovery of the scattered unseparated uranium from other parts of the unit was less important.
	www.atomicarchive.com /Docs/SmythReport/smyth_xi.shtml (5151 words)

	Electromagnetic waves
		When electromagnetic waves travel through a medium, the speed of the waves in the medium is v = c/n, where n is the index of refraction of the medium.
		S is the amount of energy that crosses a unit area perpendicular to the direction of propagation of the wave per unit time.
		S/c is the amount of momentum that crosses a unit area perpendicular to the direction of propagation of the wave per unit time.
	electron9.phys.utk.edu /phys135d/modules/m10/emwaves.htm (837 words)

	Ogura Industrial Corp. - Products
		Units are normally produced in a high torque version but a lower torque is also available which reduces the overall length of the clutch by 15%.
		Options for this unit include an automatic air gap that adjusts as the clutch wears, a quiet armature option that reduces clutch engagement noise for application in hospitals or offices and a 1 piece designed option that simplifies mounting.
		Units are self adjusting and there is a consistent time to speed and time to stop.
	ogura-clutch.com /products.html?category=2&... (1791 words)

	Electromagnetic waves
		When an electromagnetic wave travels through free space, Maxwell's equations require that at every instant and at any point the ratio of the electric to the magnetic field in SI units is equal to the speed of light, E/B = c.
		The magnitude of the energy flux S is the amount of energy that crosses a unit area perpendicular to the direction of propagation of the wave per unit time.
		The momentum transferred to the mirror per unit area per second is twice the momentum of the light striking the mirror per unit area per second.
	electron9.phys.utk.edu /optics421/modules/m1/emwaves.htm (1064 words)

	What is the electron spin? (Site not responding. Last check: 2007-11-03)
		The electron is a unit with a single electrical charge and has an intrinsic electric field.
		For example, an electron’s self-energy comes from its electromagnetic field energy, and the electron spin is the angular momentum of the electron’s electromagnetic field.
		An electron’s magnetic field is similar to that of a magnetic dipole field, where the north pole is a single unit with a negative magnetic charge and the south pole is a single unit with a positive magnetic charge.
	www.electronspin.org (944 words)

	emu - Definition, Synonyms, and Reference from OnPedia.com
		unit, unit of measurement - any division of quantity accepted as a standard of measurement or exchange; "the dollar is the United States unit of currency"; "a unit of wheat is a bushel"; "change per unit volume"
		charge unit, quantity unit - a measure of the quantity of electricity (determined by the amount of an electric current and the time for which it flows)
		inductance unit - a measure of the property of an electric circuit by which an electromotive force is induced in it
	www.onpedia.com /dictionary/emu (288 words)

	EMF Primer (Site not responding. Last check: 2007-11-03)
		Magnetic field strength (H): A field vector that is equal to the magnetic flux density divided by the permeability (μ) of the medium (unit, A m־¹).
		Magnetic flux density (B): The magnitude of a field vector that is equal to the magnetic field H multiplied by the permeability (μ) of the medium (unit tesla, T): B = μH.
		Specific energy absorption rate: Rate at which energy is absorbed by unit mass of tissue in an electromagnetic field (unit watts per kilogram, W kg־¹).
	www.wirc.org /primer/tech_glossary.shtml (780 words)

	E-quations: Electromagnetic radiation
		Electromagnetic waves are transverse waves: The electric fields (E) and the magnetic field (M) both oscillate at right angles to the direction of wave propagation (travel).
		Irradiance is a measure of the intensity of the electromagnetic radiation in an area.
		It is defined as the amount of radiant energy falling on (or passing through) a unit area in a unit of time.
	www.soc.soton.ac.uk /JRD/SCHOOL/eq/eq001b_emspec01.html (280 words)

	The Smyth Report: Chapter XI - Electromagnetic Separation Of Uranium Isotope
		Each unit was to be a complicated electromagnetic device re-quiring high vacuum, high voltages, and intense magnetic fields: and a great deal of research and development work would be required before complete, large-scale, units could be constructed.
		The construction of this unit was approved at about the same time that the first plant units were ordered so that experience with it had no influence on fund-amental design, but it was finished and operating by April 1943, that is, six months before the first plant unit.
		For example, an electromagnetic unit that could produce a gram a day of 40 per cent pure U-235 from natural uranium could produce two grams a day of 80 per cent U-235 if the concentra-tion of U-235 in the feed material was twice the natural concen-tration (1.4 per cent instead of 0.7 per cent).
	nuclearweaponarchive.org /Smyth/Smyth11.html (5271 words)

	Signal Integrity& EMC, Unit 0, Module Overview
		Units 7 to 11 inclusive are more application based and build on the concepts developed in units 1 to 6.
		With the exception of the introductory units (1 and 2), and the final unit (12), each unit is a self contained study block and it is advisable to complete each unit in sequence before continuing to the next.
		In general concepts and applications are developed in a unit and these are reinforced and expanded by problems, which you are expected to solve before studying the next unit.
	www.ami.ac.uk /courses/ami4814_csiemc (1108 words)

	Electromagnetic Spectrum Unit Outline
		An electromagnetic wave transfers energy by means of hanging electric and magnetic fields.
		The spectrum of all of the electromagnetic waves includes: radio waves, infrared rays (heat), visible light, ultraviolet rays, x-rays, and gamma rays.
		Producing visible light, electromagnetic waves that we are able to see, can be done by a variety of devices.
	www.msu.edu /~hawkin79/ScienceSystems/Unitoutlines/EMS.htm (461 words)

	Magnetool Inc - magnetic chuck repair, chuck repair, electromagnetic chuck repair, permanent chuck repair
		Magnetool has the facilities to repair any make of electromagnetic or permanent magnetic chuck.
		For permanent chucks, new top plates, cams handles and remagnetization whether mounted on a sine or as an individual unit.
		Frequently the cost of magnetic chuck repair is much less than the purchase of a new one and may include a one year warranty.
	www.magnetoolinc.com /repair.htm (144 words)

	Physics Tutoring: Electromagnetic Waves (Site not responding. Last check: 2007-11-03)
		Abbreviation L. lumen: a unit of luminous flux equal to the light emitted in a unit solid angle (1 steradian) by a uniform point source of one candela intensity.
		lux: a unit of illumination equal to the direct illumination on a surface that is everywhere one meter from a uniform point source of one candela intensity or equal to one lumen per square meter.
		phot: A unit of illuminance equal to the illumination of a surface, 1 square centimeter in area, on which there is a luminous flux of 1 lumen, or the illumination on a surface all points of which are at a distance of 1 centimeter from a uniform point source of 1 candela.
	www.slcc.edu /schools/hum_sci/physics/tutor/2220/em_waves (1034 words)

	Velocity of light and Maxwell's constant
		It is believed that he was the first to say that Light is an electromagnetic phenomenon and to identify its velocity as a fundamental constant.
		What he said was that the relation between the electric and the magnetic phenomena is a fundamental constant and that this constant has the units of a velocity and a numerical value of the same order of magnitude as the velocity of light.
		Another system of units is the absolute electromagnetic system in which the units of measure are the c.g.s.
	dgleahy.com /dgl/fob.htm (1918 words)

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