Electric current produces a magnetic field.

Electric field lines of two opposing charges separated by a finite distance.

The efforts of the two did much to further electrical engineering — Tesla's work on induction motors and polyphase systems influenced the field for years to come, while Edison's work on telegraphy and his development of the stock ticker proved lucrative for his company, which ultimately became General Electric.

Electric field of a positive and a negative point charge.

* Electric field integration

* Electric field screening

Electric field lines emanating from a point positive electric charge suspended over a negatively-charged infinite sheet

Electric fields contain electrical energy with energy density proportional to the square of the field amplitude.

Electric field from a positive QElectric field from a negative Q

Electric field from a negative Q where Coulomb's law, which describes the interaction of electric charges:

* Electric field in " Electricity and Magnetism ", R Nave-Hyperphysics, Georgia State University

* Electric Fields Applet-An applet that shows electric field lines as well as potential gradients.

simple: Electric field

Electric field inside an x-band hollow metal waveguide.

Electric field lines for this mode have a longitudinal component and require line lengths of a half-wavelength or longer.

** Electric displacement field, as appears in Maxwell's equations

# REDIRECT Electric field

Electric current flowing in the coils of the tape head creates a fluctuating magnetic field.

Electric sparks require a field strength above about 4 KV / cm in air, as notably occurs in lightning strikes.

Field Emission Electric Propulsion ( FEEP ) is an electrostatic propulsion concept based on field ionization of a liquid metal and subsequent acceleration of the ions by a strong electric field.

* Electric sensors at the ends of opposing booms are used to measure potential differences between separated points, to derive electric field associated with convection.

Interest in robotics increased in the late 1970s and many US companies entered the field, including large firms like General Electric, and General Motors ( which formed joint venture FANUC Robotics with FANUC LTD of Japan ).

# Electric detection e. g. involving amperometry, voltametry, coulometry may be used directly or indirectly for many types of quantitative measurements.

As used by Industrial Electric Inc., the film panels are printed one at a time, as are 24-sheet posters.

Naturally, enterprises of the size of General Electric are in a position to structure their prices in such a way that the relatively small competitors can be forced to the wall in a very short time.

Electric currents are measured in amperes ( A ), hence the name.

The film Blade Runner ( 1982 ), adapted from Philip K. Dick's Do Androids Dream of Electric Sheep ?, is set in 2019 in a dystopian future in which manufactured beings called replicants are slaves used on space colonies and are legal prey on Earth to various bounty hunters who " retire " ( kill ) them.

Electric lights are most common, with halogen lamps being standard and white LEDs as the new competing technology.

Electric currents in sparks or plasma are flows of electrons as well as positive and negative ions.

Electric currents in electrolytes are flows of electrically charged particles ( ions ).

* Electric power transmission in big citiesIt is difficult to transmit power by overhead cables in big cities, so underground cables are used.

Electric fields are the cause of several common phenomena, such as electric potential ( such as the voltage of a battery ) and electric current ( such as the flow of electricity through a flashlight ).

Electric motors are ubiquitous, being found in applications as diverse as industrial fans, blowers and pumps, machine tools, household appliances, power tools, and disk drives.

Electric guitar saddles are typically metal, though some synthetic saddles are available.

Also of interest are the High Lighthouse ( 1818 ); the unusual Treadwheel Crane ( late 17th century ); the Electric Palace Cinema ( 1911 ), one of the oldest purpose-built cinemas to survive complete with its original projection room and ornamental frontage still intact and operational ; the Old Custom Houses on West Street ; and a number of Victorian shopfronts.

* Electric knife: An electrical device consisting of two serrated blades that are clipped together, providing a sawing action when powered on

South Korean conglomerates, called chaebol, are often compared to keiretsu, but the chaebol conglomerations are much more similar to a Western conglomerate like General Electric than pre-World War II zaibatsu.

Electric locomotives, because they tend to be less technically complex than diesel-electric locomotives, are both easier and cheaper to maintain and have extremely long working lives, usually 40 to 50 years: the last unit of the Italian E626 class, introduced in 1928, was retired 71 years later, in 1999.

* Electric power transformers, which are built with mu-metal shells to prevent them from affecting nearby circuitry

Electric bicycles are very common in many cities of China, such as Yangzhou ; in some areas they may outnumber motorcycles or regular bicycles

Notable commercial radiosity engines are Enlighten by Geomerics, as seen in titles such as Battlefield 3, Need for Speed: The Run and others, Lightscape ( now incorporated into the Autodesk 3D Studio Max internal render engine ), form • Z RenderZone Plus by AutoDesSys, Inc .), the built in render engine in LightWave 3D and ElAS ( Electric Image Animation System ).

Transducer s convert signals from other physical waveform s to electrical Electric current | current or voltage waveforms, which then are processed, transmitted as electromagnetic wave s, received and converted by another transducer to final form.

Electric buses, which use twin trolley poles ( one for live current, one for return ) but have wheels with tyres rolling on a hard surface rather than tracks, are called trolleybuses, trackless trolleys ( particularly in the Northeastern U. S .), or sometimes ( in the UK, as well as in Seattle and Vancouver ) simply trolleys.

Electric AutoLite, Sheller-Globe Corporation, Champion Spark Plug, Questor, and Dana Corporation are examples of large auto parts companies that began in Toledo.