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Topic: Electric charge

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Electric field

Coulomb

Quantity of electricity

Current (electricity)

Electromagnetic force

Electricity

Electricity

Coulombic attraction

Elementary charge

Magnetic field density

Electrophorus

Volt

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	THE P ZONE - Electric Charge
		The property of electric charge is much the same with certain subatomic particles, and experimental evidence leads us to the conclusion that there are two types of charges.
		The magnitudes of the electric charges on the election and the proton are equal, but their natures are unlike, as expresses by the plus and minus sign.
		The unit of electric charge is called the coulomb (C), and was named after Charles Coulomb, the French scientist who studied electrical effects.
	library.thinkquest.org /12632/electricity/charge.html (320 words)

	Kids.Net.Au - Encyclopedia > Electric charge
		The interaction between charge and an electromagnetic field is the source of one of the four fundamental forces.
		Charge was discovered by the Ancient Greeks who found that rubbing fur on various substances, such as amber, would build up an electric charge imbalance.
		Arbitrarily (or for a reason that was not recorded) he identified the term "positive" with the type of charge acquired by a glass rod rubbed with silk, and "negative" with that acquired by an amber rod rubbed with fur.
	www.kids.net.au /encyclopedia-wiki/el/Electric_charge (509 words)

	Bambooweb: Electric charge
		Electric charge is a fundamental property of some subatomic particles, which determines their electromagnetic interactions.
		The interaction between charge and an electromagnetic field is the source of one of the four fundamental forces, the electromagnetic force.
		Matter is actually composed of two kinds of electrically charged particles: particles called protons which carry a charge of positive electricity, and particles called electrons which carry a charge of negative electricity.
	www.bambooweb.com /articles/e/l/Electric_Charge.html (655 words)

	high voltage misconceptions: static electricity
		The motion or "staticness" of the charge is irrelevant.
		It is the study of imbalanced charges in matter, and of voltage and electric fields.
		Electric currents are caused by voltage, and the voltage in a circuit is caused by the imbalances of charge which are present on the surface of the metal wires.
	www.amasci.com /emotor/stmiscon.html (5666 words)

	The basics of electricity, electricity basics, understanding electricity
		Electricity has no clear definition since it is so often misused to describe a variety of phenomenon.
		Electrical energy is a form of energy present in an electric field or magnetic field, electrical energy is measured in joules.
		Volt is equal to the difference of electric potential between two points on a conducting wire carrying a constant current of one ampere when the power dissipated between the points is one watt a wind power plant _, A commercial utility electric generator U.S. Energy Consumption by Source
	www.differentsourcesofelectricity.com /electricity-basics.html (1003 words)

	Pump volatility sparks electric car charge - The Boston Globe
		To spread the word, electric car junkies glided silently to movie theaters this past summer in their home-built and store-bought vehicles.
		The film about electric cars is a whodunit that opens with a mock funeral for a murder victim -- GM's EV1, an electric, plug-in car leased to customers in the late 1990s but never sold.
		The purpose of a pure electric vehicle is for 80 percent of what you do, which is commute and short trips," Beckett said.
	www.boston.com /cars/news/articles/2006/10/22/pump_volatility_sparks_electric_car_charge (870 words)

	Electric field
		Electric field is defined as the electric force per unit charge.
		The electric field is radially outward from a positive charge and radially in toward a negative point charge.
		In the equations describing electric and magnetic fields and their propagation, three constants are normally used.
	hyperphysics.phy-astr.gsu.edu /hbase/electric/elefie.html (223 words)

	Exploratorium: Science Snacks: Charge and Carry
		The entire apparatus for charging the aluminum plate is called an electrophorus, which is Greek for charge carrier.
		Charge the Leyden jar by touching the charged pie pan to the nail while holding the Leyden jar by its aluminum foil covering.
		When you touch a positively charged pie pan to the nail on the Leyden jar, electrons from the nail flow onto the pie pan.
	www.exploratorium.edu /snacks/charge_carry.html (1104 words)

	What is the electron spin?
		The electron is a unit with a single electrical charge and has an intrinsic electric 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.
		Both the electron’s electric charge and magnetic charge have the continuum spherical distribution inside the electron.
	www.electronspin.org (944 words)

	electric charge - OneLook Dictionary Search
		We found 13 dictionaries with English definitions that include the word electric charge:
		Tip: Click on the first link on a line below to go directly to a page where "electric charge" is defined.
		noun: the quantity of unbalanced electricity in a body (either positive or negative) and construed as an excess or deficiency of electrons
	www.onelook.com /?loc=rescb&w=electric+charge (135 words)

	National Grid - Electric Supply Charge
		Our charges for electricity supply are based upon market conditions and will vary depending on where you live or do business.
		If you have an alternate supplier and have concerns related to the Electricity Supply Charge portion of your bill, please contact your supplier.
		This form details delivery charge adjustment and electricity charge by load zone and service class.
	www.nationalgridus.com /niagaramohawk/home/rates/4_elec_supply.asp (363 words)

	Electric charge Summary
		Electric charge is a characteristic of some subatomic particles, and is quantized when expressed as a multiple of the so-called elementary charge e, electrons that have a charge of −1.
		The electric charge of a macroscopic object is the sum of the electric charges of its constituent particles.
		Franklin imagined electricity as being a type of invisible fluid present in all matter; for example he believed that it was the glass in a Leyden jar that held the accumulated charge.
	www.bookrags.com /Electric_charge (2567 words)

	Electric charge - Wikipedia, the free encyclopedia
		Electric charge is a characteristic of subatomic particles, and is quantized.
		The electric charge of a macroscopic object is the sum of the electric charges of its constituent particles.
		Franklin imagined electricity as being a type of invisible fluid present in all matter; for example he believed that it was the glass in a Leyden jar that held the accumulated charge.
	en.wikipedia.org /wiki/Electric_charge (1103 words)

	Electricity - Wikipedia, the free encyclopedia
		Electricity is responsible for many well-known physical phenomena such as lightning, electric fields and electric currents, and is put to use in industrial applications such as electronics and electric power.
		Electric charge is a property of certain subatomic particles (e.g., electrons and protons) which interacts with electromagnetic fields and causes attractive and repulsive forces between them.
		Electric charge gives rise to one of the four fundamental forces of nature, and is a conserved property of matter that can be quantified.
	en.wikipedia.org /wiki/Electricity (2053 words)

	Electric field - Wikipedia, the free encyclopedia
		In physics, an electric field or E-field is an effect produced by an electric charge (or a time-varying magnetic field) that exerts a force on charged objects in the field.
		Electric fields exist around all charges; the direction of field lines at a point is defined by the direction of the electric force exerted on a positive test charge placed at that point.
		The electric field or electric field intensity is a vector quantity, and the electric field strength is the magnitude of this vector.
	en.wikipedia.org /wiki/Electric_field (1146 words)

	Kids.net.au - Encyclopedia Electric charge - (Site not responding. Last check: )
		Electric charge is a fundamental conserved property of matter.
		The interaction between charge and an electromagnetic field is the source of one of the four fundamental forces.
		Arbitrarily (or for a reason that was not recorded) he identified the term "positive" with the type of charge acquired by a glass rod rubbed with silk, and "negative" with that acquired by an amber rod rubbed with fur.
	www.kidsseek.com /encyclopedia-wiki/el/Electric_charge (534 words)

	Glossary
		At the atomic level charge is measured in multiples of the charge on an electron (-1), in larger cases the usual measurement is the Coulomb.
		Induction is the process by which charge is moved in a conductor by the presence of an electric field.
		Voltage is a measure of the force on a unit charge at a given point in space due to all the other "local" charges.
	www.mos.org /sln/toe/glossary.html (742 words)

	Electric Field and the Movement of Charge
		The space surrounding a charged object is affected by the presence of the charge; an electric field is established in that space.
		Electric field is a vector quantity whose direction is defined as the direction which a positive test charge would be pushed when placed in the field.
		The positive test charge would be losing energy in moving from location B to location A. This would be analogous to a mass falling downward; it would occur naturally and be accompanied by a loss of gravitational potential energy.
	www.glenbrook.k12.il.us /gbssci/phys/Class/circuits/u9l1a.html (1381 words)

	electric charge - Hutchinson encyclopedia article about electric charge (Site not responding. Last check: )
		The SI unit of electric charge is the coulomb (symbol C).
		A body can be charged by friction, induction, or chemical change, and the charge shows itself as an accumulation of electrons (negative charge) or a loss of electrons (positive charge) on an atom or body.
		So-called static electricity, seen in such phenomena as the charging of nylon shirts when they are pulled on or off, or in brushing hair, is in fact the gain or loss of electrons from the surface atoms.
	encyclopedia.farlex.com /electric%20charge (269 words)

	Electric charge
		Charge comes in multiples of an indivisible unit of charge, represented by the letter e.
		Charge does not flow nearly as easily through insulators as it does through conductors, which is why wires you plug into a wall socket are covered with a protective rubber coating.
		Charging by friction - this is useful for charging insulators.
	physics.bu.edu /py106/notes/Charge.html (1048 words)

	Electric Choice Commonly Used Terms -- Glossary
		A utility distribution charge is a charge for delivering electricity from a customer’s chosen supplier to their residence or business, and may include a customer charge, demand charge, or energy charge.
		Electric cooperatives may be engaged in the generation, wholesale purchasing, transmission, and/or distribution of electric power to serve the demands of their members on a not-for-profit basis.
		Generally, it means electricity that is generated and consumed on a customer’s premises without the use of an electric utility’s transmission and distribution facilities.
	www.cis.state.mi.us /mpsc/electric/restruct/glossary.htm (3389 words)

	Electric Fields
		The direction of the electric field is the direction of the electrical force on a small positive charge.
		The absence of electric field within a conductor holding static charge arises because free electrons within the conductor can stop moving when the electric field is zero so, the charges arrange themselves to ensure a zero field with the material.
		What charge does a test charge have when a force of 3.60 x 10-6 N acts on it at a point where the electric field intensity is 1.60 x 10-5 N/C? Click button to view answer.
	www.hopperinstitute.com /phys_fields.html (1178 words)

	Action at a Distance
		In Lesson 3, the concept of the interaction between charges was revisited and Coulomb's law was introduced to express charge interactions in quantitative terms.
		Seeing two charged balloons repel from a distance or two magnets attract from a distance raises the eyebrow of a child and maybe even causes a chuckle or a "wow." Indeed, an action-at-a-distance or non-contact force is quite unusual.
		The strangeness of the space surrounding a charged object is often experienced first hand by the use of a Van de Graaff generator.
	www.glenbrook.k12.il.us /gbssci/phys/Class/estatics/u8l4a.html (1611 words)

	Work against an Electric Force
		Since rubber does not conduct electricity (that is, does not allow electric charges to move from one point to another, as a metal would), the belt carried its charges into the sphere, inside which another series of sharp points, placed close to the belt, skimmed them off.
		The way electric charge is sprayed from a high-voltage source onto the belt of the Van de Graaff generator is also at the heart of the xerographic copier or "xerox machine." In both terms, the prefix "xero-" comes from the Greek word for "dry," implying a printing process using dry ink.
		After the roller is charged, the image of the copied page is beamed onto it, and all parts of the image which are white become electrically conducting and lose their charge, while images of fl letters stay charged.
	www.phy6.org /stargaze/Svandgrf.htm (1875 words)

	ELECTRIC FORCE AND ELECTRIC CHARGE
		Experiments have shown that the electric force between two objects is proportional to the inverse square of the distance between the two objects.
		The electric force between two electrons is the same as the electric force between two protons when they are placed as the same distance.
		Millikan discovered that the charge on the oil droplets was always a multiple of the charge of the electron (e, the fundamental charge).
	teacher.nsrl.rochester.edu /phy122/Lecture_Notes/Chapter22/Chapter22.html (1146 words)

	Electric Charge and Electric Field
		The electric field in between the plates and specially away from the edges will essentially be uniform and the electric field lines become parallel.
		In order for electric charges given to a metal piece stay on it (a) the metal piece must be on an insulator mounting.
		When electric charges are given to a metal sphere that is located on an insulator, the charges (a) flow to the lowest point of the sphere where the mounting is. (b) slowly distribute, but unevenly.
	www.pstcc.edu /departments/natural_behavioral_sciences/Chapter18.htm (2853 words)

	Electric Charge
		When a negatively charged rod is placed close to the neutral metal sphere the (negatively) charged electrons in the sphere are repelled to the far side of the sphere, leaving the atoms on the near side positively charged owing to their missing electrons.
		Although the charges (on the electrons) are tightly bound to the atoms in an insulator they are free to move slightly within the atom.
		Since opposite charges attract and the positive charges are closer to the comb than the negative charges, the piece of paper is attracted to the comb.
	www.physics.sjsu.edu /becker/physics51/elec_charge.htm (1732 words)

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