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	Electric potential - Wikipedia, the free encyclopedia
		Electric potential is the potential energy per unit of charge associated with a static (time-invariant) electric field, also called the electrostatic potential, typically measured in volts.
		The electric potential is therefore measured in units of energy per unit of electric charge.
		The electric potential and the magnetic vector potential together form a four vector, so that the two kinds of potential is mixed under Lorentz transformations.
	en.wikipedia.org /wiki/Electric_potential (1120 words)

	Physics Tutoring: Electric Potential (Site not responding. Last check: 2007-10-11)
		The potential of the nucleus of an atom in a molecule.
		The concept of "volt" or "potential" in electricity is similar to the concept of "height" in gravity and the concept of "temperature" in thermodynamics.
		Electric potential, V, is the equivalent of "height"/"level"/"altitude", h, in the case of the gravitational field.
	www.slcc.edu /schools/hum_sci/physics/tutor/2220/e_potential (1682 words)

	Electric potential energy (Site not responding. Last check: 2007-10-11)
		Potential energy can be defined as the capacity for doing work which arises from position or configuration.
		For practical electrical circuits, the earth or ground potential is usually taken to be zero and everything is referenced to the earth.
		The general expression for the electric potential as a result of a point charge Q can be obtained by referencing to a zero of potential at infinity.
	hyperphysics.phy-astr.gsu.edu /hbase/electric/elepe.html (338 words)

	Electric Potential
		Potential energy is the stored energy of position of an object and it is related to the location of the object within a field.
		If gravitational potential is a means of rating various locations within an electric field in terms of the amount of potential energy per unit of mass, then the concept of electric potential must have a similar meaning.
		Thus, the electric potential energy is dependent upon the amount of charge on the object experiencing the field and upon the location within the field.
	www.glenbrook.k12.il.us /gbssci/phys/Class/circuits/u9l1b.html (1599 words)

	Potential Energy (Site not responding. Last check: 2007-10-11)
		Potential energy is energy which results from position or configuration.
		The potential energy U is equal to the work you must do to move an object from the U=0 reference point to the position r.
		F in the definition of potential energy is the force exerted by the force field, e.g., gravity, spring force, etc. The potential energy U is equal to the work you must do against that force to move an object from the U=0 reference point to the position r.
	hyperphysics.phy-astr.gsu.edu /hbase/pegrav.html (544 words)

	Electric voltage (Site not responding. Last check: 2007-10-11)
		Voltage is electric potential energy per unit charge, measured in joules per coulomb (= volts).
		It is often referred to as "electric potential", which then must be distinguished from electric potential energy by noting that the "potential" is a "per-unit-charge" quantity.
		Like mechanical potential energy, the zero of potential can be chosen at any point, so the difference in voltage is the quantity which is physically meaningful.
	230nsc1.phy-astr.gsu.edu /hbase/electric/elevol.html (284 words)

	Electric Potential (Site not responding. Last check: 2007-10-11)
		Compute the potential energy of a known charge at a given distance from another known charge and state whether the potential energy is positive or negative.
		The potential at that point is +1800 V. Determine values of q and R. Calculate the radius of a spherical capacitor that will have a capacitance of 1.0 F in air.
		Electric field is used to calculate the force on a charged particle at a given point in space where electrical potential is used to calculate the work done in transporting a charge through the field.
	www.wilsonhs.org /benjamin/apphyep.htm (627 words)

	Electric energy and potential
		A charge in a uniform electric field E has an electric potential energy which is given by qEd, where d is the distance moved along (or opposite to) the direction of the field.
		Electric potential is a measure of the potential energy per unit charge.
		If you know the potential at a point, and you then place a charge at that point, the potential energy associated with that charge in that potential is simply the charge multiplied by the potential.
	physics.bu.edu /~duffy/PY106/Potential.html (1010 words)

	Electric Potential Energy
		The electric potential is measured in V (volts) which is joules per coulomb or energy per unit charge.
		Energy is simply motion (with mass), therefore if there is more energy there is more motion, this maybe due to speed (average) or due to amount, as you say voltage is energy PER unit charge there fore it implies higher motion of the charge (electron) -- so I think you have answered your own question.
		Ok, the electric potenital energy depends on the position of the electron in an electric field, the same way the potential energy of the ball depends on the height of the ball above the earth's surface.
	www.physicsforums.com /showthread.php?t=52771 (1120 words)

	Electric Potential Difference
		Electric potential is a location dependent quantity which expresses the amount of potential energy per unit of charge at a specified location.
		By definition, the electric potential difference is the difference in electric potential (V) between the final and the initial location when work is done upon a charge to change its potential energy.
		Electric circuits, as we shall see, are all about the movement of charge between varying locations and the corresponding loss and gain of energy which accompanies this movement.
	www.glenbrook.k12.il.us /gbssci/phys/Class/circuits/u9l1c.html (2166 words)

	Ch 01
		The potential at the center of the square is equal to the algebraic sum of the potentials at the center due to each of the charges individually.
		The electric potential energy of the final configuration is equal to the work that must be done to bring the second proton from infinity and place it at a distance d from the first proton.
		Thus, with regard to the electric potential, the midpoint is analogous to the bottom of a valley.
	www.emory.edu /PHYSICS/Faculty/Benson/142/concepts1/CQ19.htm (2785 words)

	electric potential energy (Site not responding. Last check: 2007-10-11)
		is: the energy a charged particle has by virtue of its position in an electric field.
		requires for its full definition: a position of zero electric potential energy to be arbitrarily chosen, since only differences in electric potential energy are physically meaningful.
		often is referred: to as 'electrical energy' or electrostatic potential energy.
	www.pha.jhu.edu /~ggaspar/physics/glossary/glossary/ee/electpot.htm (133 words)

	Electric Potential (Site not responding. Last check: 2007-10-11)
		Electrical potential energy is mechanical form of energy.
		This is analogous to moving one from level of gravitational potential energy to another.
		Electric Potential is the measure of the size (magnitude) of electric potential energy per unit charge at a particular location in the field.
	wshs.wtvl.k12.me.us /~zmunson/EM4.htm (608 words)

	Electric Potential Energy (Site not responding. Last check: 2007-10-11)
		The form of the potential energy U looks the same as the that for the force F except for the different power of r.
		You include the signs of the charges when you use this formula (unlike the case of calculating the magnitude of a force), so the potential energy is positive if the two charges have the same sign and negative otherwise.
		is the sum of the potential energies of the pairs.
	www.pa.msu.edu /courses/2000fall/PHY232/lectures/coulombslaw/electric.html (126 words)

	Electric charge and field (Site not responding. Last check: 2007-10-11)
		The concept of the electric potential is similar to the concept of the gravitational potential.
		The electric potential V(x), at any given location x where a charge may be placed, is the potential energy per unit charge at that point.
		The potential differences arise because of the changes of the charge distributions in the cells of the heart mustle.
	physics.usc.edu /~bars/135/LectureNotes/ElectricPotentialEnergy.html (764 words)

	[No title]
		Generally speaking, electric potential energy of a charge q is taken to be zero at an infinite distance from charge Q. Because our reference for measuring electric potential energy is arbitrary, the only thing that we can really measure is the difference in a particle's electric potential energy between two points.
		If the electrical potential energy of q changes, then work has either been done on or by charge q as it moved through the electric field generated by charge Q. It is this work, or this change in electric potential energy of q, that we can measure and can correlate to an electric potential difference.
		By examining the electric potential of points in space, one can begin to understand how a charge q, when it is brought into the space conditioned by the charges establishing the existing electric field, will behave.
	www2.corvallis.k12.or.us /cvhs/kirscha/lab14potentialsurfaces.doc (2127 words)

	Electric potential energy
		Thus, it is convenient to calculate the increase in energy of the field from the work done, and then to ascribe this energy increase to the body, via the concept of gravitational potential energy.
		In conclusion, we can evaluate the increase in electric potential energy of a charge when it is taken between two different points in an electrostatic field from the work done in moving the charge between these two points.
		The energy is actually stored in the electric field surrounding the charge, but we can safely ascribe this energy to the charge, because we know that the field stores the energy without loss, and will return the energy to the charge whenever it is required to do so by the laws of physics.
	farside.ph.utexas.edu /teaching/302l/lectures/node20.html (1630 words)

	Learning Objectives
		The SI unit for potential is the volt (1 V = 1 J/C).
		The potential at a point P due to N point charges is the sum of the potentials due to each charge.
		The dielectric strength is the electric field strength at which dielectric breakdown occurs and the material becomes a conductor.
	highered.mcgraw-hill.com /sites/0070524076/student_view0/chapter17/learning_objectives.html (588 words)

	Gravitational and Electric Potential Energy
		In the previous activity, you have used the fact that the change in gravitational potential energy is equal to the mass of the object multiplied by the acceleration due to the earth's gravitational field multiplied by the change in the height of the object.
		Potential difference describes how much the potential energy changes if a unit test object is moved from one point to another in a force field.
		The potential difference is created by the source that is producing the force field, not by the test object.
	www.as.wvu.edu /coll03/phys/www/rotter/phys201/6_Electricity/Grav_&_Elec_PE.htm (1711 words)

	Electric work and potential difference
		The presence of the constant C stems from the fact that it is only differences in potential energy or potential which enter into the definitions of Eqs.(1.7,1.8); this is exactly analogous to the situation for gravitational potential energy, where one is free to choose the zero point at will.
		Although these considerations have been for a constant electric field, the defining relation of Eq.(1.7) for the electric potential energy and that of Eq.(1.8) for the electric potential are general.
		The nice aspect of the electric potential energy and potential is that in the presence of multiple charges one simply adds algebraically the corresponding expressions for the individual charges to find the net result.
	theory.uwinnipeg.ca /physics/charge/node4.html (488 words)

	ELECTRIC ENERGY OF A SYSTEM OF POINT CHARGES
		The potential energy in eq.(26.2) is the energy required to assemble the system of charges from an initial situation in which all charges are infinitely far apart.
		In the calculation of the energy density carried out for the capacitor we assumed that the electric field was homogeneous in the region between the plates.
		Besides the internal energy of the palladium nuclei, the electric energy of the configuration must also be included in the calculation of the total electric potential energy of the nuclear system
	teacher.nsrl.rochester.edu /phy122/Lecture_Notes/Chapter26/Chapter26.html (1280 words)

	Lectures 2 and 3 Electric potential energy
		Because of the superposition of forces the total potential energy is given by the summation of the individual potential energies.
		In words 'the electric force is equal to the negative of the gradient of the potential energy'.
		The potential at a point can also be given assuming the zero point is known or specified.
	www.shef.ac.uk /physics/teaching/phy205/Lecture_2_and_3.htm (1109 words)

	Untitled
		The electrical potential, or voltage, at any point in an electric field is the electric potential energy per charge for a charged object at that point.
		The energy a charge possesses by virtue of its location is called electric potential energy.
		The unit of electric potential is the joule.
	www.muhlon.com /~mshspac/chapter33.htm (530 words)

	Electric Potential Energy (Site not responding. Last check: 2007-10-11)
		None because positive work is done where the motion is against the force exerted by the field and negative work is done where the motion is in the direction of that force.
		It has to work that way so that the potential energy returns to its original value when the charge returns to its original position.
		The potential energy cannot return to its original value, so it is not defined.
	www.people.vcu.edu /~rgowdy/mod/082/xmp.htm (185 words)

	Electric Potential and capacitance
		The electric potential at a point is defined as the amount of work required to bring a unit positive charge from infinity to the point under consideration.
		When more than one charge is present, the electric potential at a point is the algebraic sum of the potentials due to each of the charges present.
		The ability or capacity to store electric charges in conductors and hence electric energy, is related to the capacitance of the conductors.
	www2.potsdam.edu /islamma/Phys305_ElecPotential.htm (1410 words)

	BC Education - Physics Grade 12 - Electrostatics (Electric Potential Energy and Electric Potential) (Site not responding. Last check: 2007-10-11)
		It is expected that students will calculate electric potential and apply the concept of electric potential energy and potential difference to common situations.
		Demonstrate electric potential by holding a fluorescent tube in various orientations in the electric field of a Van de Graaf generator.
		Students can demonstrate their understanding of electric potential and electric potential energy by correctly applying related concepts when solving or modelling electrostatic problems.
	www.bced.gov.bc.ca /irp/physics/12elelpo.htm (510 words)

	Electric Potential Energy
		The electrical potential energy of a particular charge depends only on its position.
		The electrical force F on a test charge q is proportional to q.
		Changes in the electrical potential energy of a test charge are proportional to the test charge.
	www.people.vcu.edu /~rgowdy/mod/082/imp.htm (164 words)

	Electric Potential Energy and Electric Potential
		electrical potential energy of q is defined to equal the work,
		So, surrounding a positive point charge Q there is an electric field pointing away from Q, and a region where the voltage is positive.
		Surrounding a negative charge, the field points toward the charge and the voltage is negative.
	www.unf.edu /~jgarner/intropotentialenergyvoltage.html (123 words)

	Module 3 - Electricity & Magnetism I
		All one has to do is to equate the change in the potential energy to the change in the kinetic energy.
		Since the charge being moved is the same as the electron's charge (but positive), the change in the potential energy can be found by multiplying that charge by the change in the potential (the voltage).
		I have shown the voltage (potential) as "40 v, 30 v, 20 v, 10 v" but you should realize that the diagram is not to scale, since the potential or voltage is zero at infinity.
	www.sunybroome.edu /~biegen_j/phys2/potential/Eandm_3.htm (664 words)

	Electric circuits \|\| Potential energy
		The potential energy of an electron at any point along the wire is determined by the concentration of the delocalised electrons at that point.
		One could say that concentration and potential energy are two ways of looking at the same thing.
		As an electron moves along the wire its potential energy decreases in the same way that a ball loses potential energy as is rolls down a gravitational hill (and increases in kinetic energy).
	www.dur.ac.uk /p.m.johnson/electric_circuits/05_potential_energy.htm (458 words)

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