Current (electricity) (4923 bytes)
1: ...of electrical current is the [[ampere]]. Electric current is therefore sometimes informally referred to as ...
3: '''Current density''' is the current per unit (cross-sectional) area.
5: ...ytes, flowing [[proton]]s constitute the electric current.
7: ...ng, but where it makes more sense to think of the current as the positive "holes" (the spots that should ha...
9: Mathematically, current is defined as the net flux through an area. Thus:

Electricity (14772 bytes)
4: ...pes of electricity or charge: we call one kind of electricity positive and the other negative. Through experime...
6: ... used in equations to represent the [[quantity of electricity]] or charge. For example, "''Q'' = 0.5 C" means ...
10: ...hales of Miletus]], writing ''circa'' [[600 BC]], electricity was known to the [[Ancient Greece|Ancient Greeks]...
14: ...tatic electricity was equivalent to an [[electric current]].
16: ...o created the convention of positive and negative electricity. Franklin's observations aided later scientists ...

Electricity in India (285 bytes)

Rectification (electricity) (664 bytes)
1: ...ification is the conversion of ac current into dc current.
5: ...fore it is also very inefficient - as half of the current is wasted.
10: ...in things that need a continuous, steady input of current flowing in one direction eg laptops/computers.

Battery (electricity) (19041 bytes)
12: ...s metal. Such ancient knowledge in the history of electricity bears no known continuous relationship to the dev...
18: ... was the action in the voltaic pile that produced electricity. In [[1820]], the [[United Kingdom|British]] rese...
22: ...t flowed only in one direction, known as [[direct current]]. In [[World War II]], [[Samuel Ruben]] and [[Ph...
34: ...neighbour will be forced to discharge its maximum current into the faulty cell, leading to overheating and ...
44: ...used in smaller, portable devices with either low current drain, only used intermittently, or used well awa...

Electricity meter (13709 bytes)
1: ...plied to a customer of an [[electricity retailing|electricity company]]. The most common type is more properly ...
5: ...us [[voltage]] ([[volt]]s) and [[electric current|current]] ([[amp]]s) and finding the [[Product (mathemati...
7: ...in proportion to the product of the instantaneous current and voltage. This causes the disc to rotate at a ...
11: ...phase configurations]] use additional voltage and current coils.
13: ... installations. It is also possible to use remote current transformers with electromechanical meters though...

Electricity generation (6288 bytes)
4: ....jpg|right|250px|thumb|[[Itaipu]] Dam is a [[hydroelectricity|hydroelectric]] generating station]]
6: ...ransmission]], [[electricity distribution]] and [[electricity retailing]].
8: ...ng current]] electric power lines can transport [[electricity]] at low cost across great distances by taking a...
10: ...rket forces to [[monopolies]]. The [[New Zealand Electricity Market]] is a typical example.
12: ...large scale projects to generate and transmit the electricity required to fuel growing economies. Many of thes...

Ground (electricity) (6511 bytes)
8: ...[ground (power)|ground]] is the wire that carries currents away under fault conditions. This ''power ground...
15: ...round]] serves to provide a return path for fault currents and therefore allow the fuse or breaker to disco...
17: ...m is mostly used in rural areas where large earth currents will not otherwise cause hazards.
23: ...rounding used in an attempt to dissipate the huge currents from lightning strikes.
26: ... ''electrical ground'' should have an appropriate current-carrying capability in order to serve as an adequ...

Static electricity (2482 bytes)
1: '''Static electricity''' or [[electrostatics]] is a field of science an...
5: ...vices which produce very high voltage at very low current, are used for classroom physics demonstrations.
7: ...s, electric current is not the opposite of static electricity, and both phenomena can exist together at the sam...
21: * [[Bioelectricity]]

Quantity of electricity (4390 bytes)
1: In [[physics]] the term '''Quantity of [[Electricity]]''' refers to the quantity of [[electric charge]...
5: The term Quantity of Electricity was once common in scientific publications. It a...
7: ...tricity" to mean [[current (electricity)|electric current]] ([[ampere]]s), energy flow ([[watt]]s), [[elect...
9: ... and today simply '''Charge'''. Since the term Electricity has increasingly become corrupted by contradictio...
13: ... are conscious of only one definition: the term ''Electricity'' means ''Charge'' and nothing else. While readi...

Electricity retailing (4559 bytes)
1: ...lectric power transmission | transmission]] and [[electricity distribution|distribution]].
4: ...ply available to third parties. In the beginning, electricity was primarily used for street [[lighting]] and [[...
5: ...rs. Residential, commercial and industrial use of electricity was confined, initially, to lighting but this cha...
7: ... the amount charged for, is measured through an [[electricity meter]] that is usually placed near the input of ...
12: ...century]] contributed to an explosive growth in [[electricity | electrification]] around the world.

Electricity distribution (7037 bytes)
1: ...s than 1000V) distribution wiring and sometimes [[electricity meter]]s.
3: ..., [[electricity transmission|transmission]] and [[electricity retailing|retailing]].
5: ...eal improvement was available here. To reduce the current while keeping power transmission constant require...
7: ... supply loads. Increasing the voltage reduced the current in the transmission and distribution lines and he...
21: ...]] or [[direct current|DC]] (virtually all public electricity supplies are AC today. Users of large amounts of ...

Electricity market (9272 bytes)
1: ...ion]] and a '''retail electricity market''' for [[electricity retailing]].
2: ==Wholesale electricity market==
3: ...|generators]] offer their electricity output to [[electricity retailing|retailers]].
5: [[Electricity]] is by its nature difficult to store and has to ...
7: ...h an electricity [[network]]. Hence the extent of electricity lost in transmission and the level of congestion ...

Electricity liberalization (1657 bytes)
1: ...[[liberalization]] of [[electricity]] markets. As electricity supply is a [[natural monopoly]], this entails co...
3: ...ization and vertical de-integration of the [[UK]] electricity industry. At a cost of over $3bn, a system of com...
5: Liberalization of electricity tends to substantially benefit large consumers (m...
7: ...003, the [[European Commission]] introduced a new Electricity Directive (EC/2003/54/EC) with much stronger requ...
14: * Steve Thomas (2004), ''Electricity liberalisation: The beginning of the end'', PSIRU...

Electricity Commission (UK) (531 bytes)
1: ...verhead lines, the relative efficiency of gas and electricity and cases of interconnection overseas.

To The Goddess Electricity (2527 bytes)
1: '''''To The Goddess Electricity''''' was [[Rational Youth|Rational Youth's]] 1999...
5: ...style="color:black;" colspan="3"|''To The Goddess Electricity''
7: ... colspan="3"|[[Image:RationalYouth-To_The_Goddess_Electricity.jpg|Album cover]]
42: |''To The Goddess Electricity''<br />([[1999]])
53: #"To The Goddess Electricity" - 2:35

British Electricity Authority (500 bytes)
1: ... the [[Central Electricity Authority (UK)|Central Electricity Authority]] to avoid confusion with [[British Eur...

Electricity Supply Board (2926 bytes)
3: ...tricity (Supply) Act, 1927''] to manage Ireland's electricity supply after the successful ''Shannon Scheme'' at...
12: ...ional'' (''ESBI'') manages projects abroad in the electricity supply, generation and distribution markets; ''ES...
19: * [http://www.esb.ie Official website - Electricity Supply Board]

Northern Ireland Electricity (887 bytes)
1: [[Image:Northernirishelectricity.png|right|150px]]
2: ...ny in [[Northern Ireland]]. NIE does not generate electricity but purchases it from several [[power station]]s ...
4: ...Power]], and has three interconnectors with the [[Electricity Supply Board]] in the [[Republic of Ireland]]. Th...

New Zealand Electricity Market (9343 bytes)
1: ...ts to create competition in energy generation and electricity retailing. The industry is a mixture of [[state-...
3: ...nt at grid injection points and retailers bid for electricity offtake at grid exit points. There is a Reconcil...
5: ...Companies. Consumers can choose from up to seven electricity retailers, who are also generators, for their ene...
7: ...regulatory legislation such as the Companies Act, Electricity Act, Resource Management Act 1991, the Commerce A...
9: ...ating on achieving better [[governance]] of the [[electricity market]] and tighter control of monopoly function...

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