Electrical efficiency (2290 bytes)
1: ...fined as useful power output divided by the total electrical power consumed (a [[fraction|fractional]] [[Expre...
11: ==Efficiency of typical electrical devices==

Resolver (electrical) (810 bytes)
1: The '''resolver''' is a type of rotary electrical [[transformer]] that is used for measuring the an...

Electrical length (1891 bytes)
1: In [[telecommunication]], the term '''electrical length''' has the following meanings:
3: ...e [[wavelength]] of a periodic electromagnetic or electrical [[signal]] propagating within the medium.
5: ...roximately two-thirds that in free space, and the electrical length, approximately 1.5 times the physical leng...
7: ...y the ratio of (a) the propagation [[time]] of an electrical or electromagnetic signal through the medium to (...
9: ''Note:'' The electrical length of a physical medium will always be greate...

Electrical Audio (647 bytes)
1: ...Illinois]], and was founded by [[Steve Albini]]. Electrical Audio is dedicated to [[independent music]].
3: ...active independent music discussion forum [http://electrical.com/phpBB2/] where users discuss technical audio...
7: *[http://www.electrical.com/ Electrical.com] is Electrical Audio's home webpage.

Electrical telegraph (2637 bytes)
1: The '''electrical telegraph''' is a [[telegraph]] that uses electri...
3: ... [[teletype]] rather than telegraph systems. Some electrical telegraphs used indicators which were read visual...

Electrical engineering (13753 bytes)
1: ...titioners are called '''electrical engineers'''. Electrical engineering is a broad field that encompasses man...
5: Electrical engineering has many subfields dealing with the v...
11: ...rties of electrical components or [[discrete]]s/[[electrical element|elements]] (such as [[resistor]]s, [[capa...
12: One of several ubiquitous examples is the [[tuner circuit]], which allows the user of a [[radio]] to [[filt...
19: ...humb|Example of an [[integrated circuit]] showing electrical paths and components]]

Electrical network (5663 bytes)
1: ...sistor]]s. It can be as small as an [[integrated circuit]] on a silicon chip, or as large as an [[electric...
3: ...or more simple circuit elements, and may not be a circuit.
5: ...red in [[ampere]]s). Typical functions for these electrical networks are [[amplification]], [[oscillator|osci...
7: ...use components such as [[power line]]s, cables, [[circuit breaker]]s, switches and [[transformer]]s.
9: ...the voltages and currents in the circuit. Linear circuits can be analysed to a certain extent by hand beca...

Electrical bus (1345 bytes)
1: ...bus''' (sometimes spelled ''buss'') is a physical electrical interface where many devices share the same elect...
5: ...sed by the engineers and technicians for its high electrical current carrying capacity, which allows a conveni...
9: [[Category:Electrical components]]

Fuse (electrical) (10876 bytes)
3: ...t]] of which it is a part, thereby protecting the circuit from an overcurrent condition.
5: ... essential features of [[Thomas Edison|Edison]]'s electrical power distribution system. An early fuse was said...
8: ...use curve never crosses that of any of the branch circuits. To prevent damage to fuses, both "maximum clear...
12: ...adian Electrical Code, the United States National Electrical Code, and the UK Wiring Regulations provide limit...
15: ... quench any arcs (see [[maximum prospective short circuit current]]). Small fuses may be held by metal clip...

Electrical substation (2514 bytes)
16: ...V to 41.6/12.47 kV 5000 kVA 60 Hz substation with circuit switcher, regulators, reclosers and control build...

Inverter (electrical) (2719 bytes)
1: An '''inverter''' is a circuit for converting [[direct current]] to [[alternatin...

Electrical breakdown (3491 bytes)
1: ... to a failure of an [[electrical network|electric circuit]] with consequent lack of function. Alternately, ...
3: ...alternator]] failure, broken wires, blown [[fuse (electrical)|fuse]]s, and a failed [[fuel pump]].
5: ...tric's capability to resist and breakdown occurs. Electrical breakdown can also occur across the strings of in...
7: ...igh voltage conductors at points with the highest electrical stress (smaller radius or sharp points). Corona i...
9: ...ugs]] for gasoline engines, and arcs are used for electrical [[welding]] of metals or for creating special pur...

Electrical conduction (5905 bytes)
1: '''Electrical conduction''' is the [[Current (electricity)|curr...
3: ... ''j'' appears in a material is measured by the [[electrical conductivity|conductivity]] ''σ'', defined ...
7: or its reciprocal [[electrical resistivity|resistivity]] ''ρ'':
38: ...lectric currents in [[electrolyte]]s are flows of electrically charged [[atom]]s ([[ion]]s). For example, if a...
44: ...below the breakdown field, the dominant source of electrical conduction is via mobile ions produced by radioac...

Electrical element (5098 bytes)
1: ...an be used to specify a portion of a [[integrated circuit]] that contributes directly to the IC's operation...
6: ... represents one of the fundamental aspects of the electrical network.
12: *[[Electrical resistance|Resistance]], measured in [[ohm]]s - p...
16: Any electrical circuit can be analysed if the circuit components are represented by the above elements....
19: ...electromotive force]] (emf), or [[voltage]], in a circuit. It contains layers of chemicals that cause elect...

Electrical connector (866 bytes)
4: ...connector''' is a device for joining [[electrical circuit]]s together. In computing it can also be known as...
28: [[Category:Electrical connectors]]

Electrical generator (6078 bytes)
4: ...erator''' is a device that produces [[electricity|electrical]] [[energy]] from a mechanical energy source. Th...
14: [[Image:portable_electrical_generator_side.jpg|thumb|right|100px|Portable gen...
15: [[Image:portable_electrical_generator_angle.jpg|thumb|right|100px|Portable ge...
17: ... difference]] is generated between the ends of an electrical conductor that moves perpendicular to a [[magneti...
21: The '''dynamo''' was the first electrical generator capable of delivering power for industr...

Electrical conductivity (2370 bytes)
1: '''Electrical conductivity''' is a measure of how well a materi...
4: ...h can carry [[electricity]]. When a difference of electrical potential is placed across a conductor, its movab...
8: ...lectrical conductivity is the [[reciprocal]] of [[electrical resistivity]] (1/[Ω·m]).
14: ...tion]] for a discussion of the physical origin of electrical conductivity
15: * [[electrical resistance]]

Electrical potential (5886 bytes)
1: '''Electrical potential''' is the [[potential energy]] per unit...
5: The electrical potential is therefore measured in units of [[ene...
9: ...cluded, associated with the [[inductance]] of the circuit. This generalized potential difference is also c...
12: ...e force. This force has the same direction as the electrical field vector, and its magnitude is given by the s...
21: The potential of an electric field is called the electrical potential.

Electrical conductance (1105 bytes)
1: ...ctrical conductance''' is the [[reciprocal]] of [[electrical resistance]]. The [[SI derived unit]] of conducta...
3: ... is material specific feature and reciprocal of [[electrical resistivity]].

Electrical resistance (5486 bytes)
1: ...istance''' is a measure of the degree to which an electrical component opposes the passage of current. It is t...
12: ...e latter method is useful when analysing a larger circuit or if you want to work one handed with one lead c...
14: ...is the [[ohm]]. Its [[reciprocal]] quantity is '''electrical conductance''' measured in [[Siemens (unit)|sieme...
16: ...o current and the proportionality constant is the electrical resistance. This case is described by [[Ohm's law...
20: ... flows through an object with resistance '''R''', electrical [[energy]] is converted to [[heat]] at a rate ([[...

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