Conventional current was defined early in the history of electrical science as a flow of positive charge. In solid metals, like wires, the positive charges are immobile, and only the negatively charged electrons flow in the direction opposite conventional current, but this is not the case in most non-metallic conductors. In other materials, charged particles flow in both directions at the same time. Electric currents in electrolytes are flows of electrically charged atoms (ions), which exist in both positive and negative varieties. Fo ...

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Current electricity, Current electricity - Relation between current and charge, Current electricity - Conventional current, Current electricity - The drift speed of an electric current, Current electricity - Current density, Current electricity - Electromagnetism, Current electricity - Ohm's law, Current electricity - Electrical safety

Read more here: » Current electricity: Encyclopedia II - Current electricity - Conventional current

Surface ocean currents are generally wind driven and develop their typical clockwise spirals in the northern hemisphere and counter-clockwise rotation in the southern hemisphere due to the coriolis effect. In wind driven currents the Ekman spiral effect results in the currents flowing at an angle to the driving winds. The areas of surface ocean currents move somewhat due seasons, this is most notable in equatorial currents. Deep ocean currents are driven by density and temperature gradients. Thermohaline circulation, als ...

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Ocean current, Ocean current - Description, Ocean current - Reasons for currents, Ocean current - Significance to man and sea life, Ocean current - El Niño and La Nina, Ocean current - Important currents:, Ocean current - Arctic Ocean, Ocean current - Atlantic Ocean, Ocean current - Pacific Ocean, Ocean current - Indian Ocean, Ocean current - Southern Ocean

Read more here: » Ocean current: Encyclopedia II - Ocean current - Reasons for currents

The mobile charged particles within a conductor move constantly in random directions. In order for a net flow of charge to exist, the particles must also move together with an average drift rate. For example, during currents in metals the particles follow an erratic path, bouncing from atom to atom, but generally drifting in the direction of the electric field. The speed at which they drift can be calculated from the equation: where I is the current n is number of charged partic ...

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Current electricity, Current electricity - Relation between current and charge, Current electricity - Conventional current, Current electricity - The speed of an electric current, Current electricity - Current density, Current electricity - Electromagnetism, Current electricity - Ohm's law, Current electricity - Electrical safety

Read more here: » Current electricity: Encyclopedia II - Current electricity - The speed of an electric current

Plasma physicists suggest that many structures in the universe exhibiting filamentation are due to Birkeland currents. Peratt (1992) notes that "Regardless of scale, the motion of charged particles produces a self-magnetic field that can act on other collections of charged particles, internally or externally. Plasmas in relative motion are coupled via currents that they drive though each other". (See P ...

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Birkeland current, Birkeland current - Characteristics, Birkeland current - Cosmic Birkeland currents, Birkeland current - History, Birkeland current - Web site links

Read more here: » Birkeland current: Encyclopedia II - Birkeland current - Cosmic Birkeland currents

Every electric current produces a magnetic field. The magnetic field can be visualized as a pattern of circular field lines surrounding the wire. Electric current can be directly measured with a galvanometer, but this method involves breaking the circuit, which is sometimes inconvenient. Current can also be measured without breaking the circuit by detecting the magnetic field it creates. Devices used for this include ...

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Current electricity, Current electricity - Relation between current and charge, Current electricity - Conventional current, Current electricity - The speed of an electric current, Current electricity - Current density, Current electricity - Electromagnetism, Current electricity - Ohm's law, Current electricity - Electrical safety

Read more here: » Current electricity: Encyclopedia II - Current electricity - Electromagnetism

Every electric current produces a magnetic field. The magnetic field can be visualized as a pattern of circular field lines surrounding the wire. Electric current can be directly measured with a galvanometer, but this method involves breaking the circuit, which is sometimes inconvenient. Current can also be measured without breaking the circuit by detecting the magnetic field it creates. Devices used for this include Ha ...

See also:

Electric current, Electric current - Relation between current and charge, Electric current - Conventional current, Electric current - The drift speed of an electric current, Electric current - Current density, Electric current - Electromagnetism, Electric current - Ohm's law, Electric current - Electrical safety

Read more here: » Electric current: Encyclopedia II - Electric current - Electromagnetism

Every electric current produces a magnetic field. The magnetic field can be visualized as a pattern of circular field lines surrounding the wire. Electric current can be directly measured with a galvanometer, but this method involves breaking the circuit, which is sometimes inconvenient. Current can also be measured without breaking the circuit by detecting the magnetic field it creates. Devices used for this include ...

See also:

Current electricity, Current electricity - Relation between current and charge, Current electricity - Conventional current, Current electricity - The drift speed of an electric current, Current electricity - Current density, Current electricity - Electromagnetism, Current electricity - Ohm's law, Current electricity - Electrical safety

Read more here: » Current electricity: Encyclopedia II - Current electricity - Electromagnetism

Such currents can all be extremely dangerous, dragging swimmers away from the beach and leading to death by drowning when they attempt to fight the current and become exhausted. Although rare, rip currents can be deadly for non-swimmers as well: a person standing waist deep in water can be dragged out into deeper waters, where they can drown if they are unable to swim and are not wearing a flotation device. On 14 April 2004, an 19-year-old university student was killed by a rip current simply by standing in knee-deep ocean water at La Jolla ...

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Rip current, Rip current - Recognizing a Rip Current, Rip current - Dangers, Rip current - Causes and occurrence, Rip current - Surviving an encounter with a rip current, Rip current - Safety tips

Read more here: » Rip current: Encyclopedia II - Rip current - Dangers

The space of currents is naturally endowed with the weak-star topology, which will be further simply called weak convergence. We say that a sequence Tk of currents, weakly converges to a current T if A stronger norm on the space of currents is the mass norm. First of all we define the mass norm of a m-form ω as ξ is a unit, simple, mSee also:

Current mathematics, Current mathematics - Topology, Current mathematics - Examples

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Auroral Birkeland currents can carry about 1 million amperes [1]. They can heat up the upper atmosphere which results in increased drag on low-altitude satellites. Birkeland currents can also be created in the laboratory with multi-terawatt pulsed power generators. The resulting cross-section pattern indicates a hollow beam of electron in the form of a circle of vortices, a formation called the diocotron instability (similar, but different to the Kelvin-Helmholtz instability), that subsequently leads to filamentation. Su ...

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Birkeland current, Birkeland current - Characteristics, Birkeland current - Cosmic Birkeland currents, Birkeland current - History, Birkeland current - Web site links

Read more here: » Birkeland current: Encyclopedia II - Birkeland current - Characteristics

The history of Birekland Currents appears to mired in politics, and is summarised by Stephen G. Brush in his article "Alfvén's Programme in Solar System Physics" (IEEE Trans. Plasma Science, Vol. 20 No. 6, Dec 1992). After Kristian Birkeland suggested "currents there are imagined as having come into existence mainly as a secondary effect of the electric corpuscles from the sun drawn in out of space," (1908), his ideas were generally ignored in favour of an alternative theo ...

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Birkeland current, Birkeland current - Characteristics, Birkeland current - Cosmic Birkeland currents, Birkeland current - History, Birkeland current - Web site links

Read more here: » Birkeland current: Encyclopedia II - Birkeland current - History

The symbol typically used for the amount of current (the amount of charge Q flowing per unit of time t) is I, from the German word Intensität, which means 'intensity'. Formally this is written as or inversely as ...

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Current electricity, Current electricity - Relation between current and charge, Current electricity - Conventional current, Current electricity - The speed of an electric current, Current electricity - Current density, Current electricity - Electromagnetism, Current electricity - Ohm's law, Current electricity - Electrical safety

Read more here: » Current electricity: Encyclopedia II - Current electricity - Relation between current and charge

The symbol typically used for the amount of current (the amount of charge Q flowing per unit of time t) is I, from the German word Intensität, which means 'intensity'. Formally this is written as or inversely as ...

See also:

Electric current, Electric current - Relation between current and charge, Electric current - Conventional current, Electric current - The drift speed of an electric current, Electric current - Current density, Electric current - Electromagnetism, Electric current - Ohm's law, Electric current - Electrical safety

Read more here: » Electric current: Encyclopedia II - Electric current - Relation between current and charge

The symbol typically used for the amount of current (the amount of charge Q flowing per unit of time t) is I, from the German word Intensität, which means 'intensity'. Formally this is written as or inversely as ...

See also:

Current electricity, Current electricity - Relation between current and charge, Current electricity - Conventional current, Current electricity - The drift speed of an electric current, Current electricity - Current density, Current electricity - Electromagnetism, Current electricity - Ohm's law, Current electricity - Electrical safety

Read more here: » Current electricity: Encyclopedia II - Current electricity - Relation between current and charge

Definition and meaning of Account Current :

Account Current: A monthly financial statement provided to an agent by an insurer showing premiums written, cancellations, endorsements, and commissions. 

(Source: InsWeb)

Also see these pages: Account Current , Insurance, Insurance Sitemap, Insurance Dictionary - A

For more dictionary entries, see » Current Dictionary

The mobile charged particles within a conductor move constantly in random directions. In order for a net flow of charge to exist, the particles must also move together with an average drift rate. For example, during currents in metals the particles follow an erratic path, bouncing from atom to atom, but generally drifting in the direction of the electric field. The speed at which they drift can be calculated from the equation: where I is the current n is number of charged partic ...

See also:

Electric current, Electric current - Relation between current and charge, Electric current - Conventional current, Electric current - The drift speed of an electric current, Electric current - Current density, Electric current - Electromagnetism, Electric current - Ohm's law, Electric current - Electrical safety

Read more here: » Electric current: Encyclopedia II - Electric current - The drift speed of an electric current

The mobile charged particles within a conductor move constantly in random directions. In order for a net flow of charge to exist, the particles must also move together with an average drift rate. For example, during currents in metals the particles follow an erratic path, bouncing from atom to atom, but generally drifting in the direction of the electric field. The speed at which they drift can be calculated from the equation: where I is the current n is number of charged partic ...

See also:

Current electricity, Current electricity - Relation between current and charge, Current electricity - Conventional current, Current electricity - The drift speed of an electric current, Current electricity - Current density, Current electricity - Electromagnetism, Current electricity - Ohm's law, Current electricity - Electrical safety

Read more here: » Current electricity: Encyclopedia II - Current electricity - The drift speed of an electric current

OPHIDIAN CURRENT

The use of heterosexual energies to transmit magical changes internally and externally. Celestially indicated by the Ophiuchan link between Capricorn's climax and Scorpio's detumescence. The Yezidic power line, purged of Osirian (or Xtian) death. Grant says that the Elder Gods or Maatians when manifesting as the Forgotten Ones constitute the Ophidian Current. The Draconian and Typhonian currents are variations on the O.C., Od, or the Fire Serpent is a vehicle of it.

(See also: OPHIDIAN CURRENT, Magick, Mysticism, Mysticism Dictionary, Body Mind and Soul, )

Transistor Q1 is connected such that it has a constant current flowing through it (due to R1 and Vs) and behaves as a forward-biased diode, and the current is determined mainly by the resistance R1. It is important to have Q1 in the circuit, instead of a regular diode, because the two transistors can be matched, and thus the two branches of the circuit will have similar characteristics. The voltage at the base of Q1 will necessarily be the exact voltage that sustains the collector current. The seco ...

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Current mirror, Current mirror - Operation, Current mirror - Circuit analysis

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In 1951 researchers on board the U. S. Fish and Wildlife Service research vessel were indulging in a spot of long line fishing. They noticed that the gear deep under water drifted eastwards. This was unusual because the surface currents of the pacific ocean flow westwards on the equator. (They follow the direction of the winds). The following year Townsend Cromwell led a research party to investigate how the currents of the ocean varied as a function of depth. They discovered a fast flowing current that flowed eastw ...

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Cromwell current, Cromwell current - Townsend Cromwell, Cromwell current - Discovery, Cromwell current - Detailed data, Cromwell current - Interaction with El Niño, Cromwell current - Effect on wildlife, Cromwell current - Possible effect on climate, Cromwell current - External link

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William Stanley Jr designed one of the first practical coils to produce alternating currents. His design was an early precursor of the modern transformer, called an induction coil. From 1881 to 1889, the system used today was devised by Nikola Tesla, George Westinghouse, Lucien Gaulard, John Gibbs, and Oliver Shallenger. These systems overcame the limitations imposed by using direct current, as found in the system that Thomas Edison fir ...

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Alternating current, Alternating current - History, Alternating current - Distribution and domestic power supply, Alternating current - AC power supply frequencies, Alternating current - Mathematics of AC voltages

Read more here: » Alternating current: Encyclopedia II - Alternating current - History

William Stanley Jr designed one of the first practical coils to produce alternating currents. His design was an early precursor of the modern transformer, called an induction coil. From 1881 to 1889, the system used today was devised by Nikola Tesla, George Westinghouse, Lucien Gaulard, John Gibbs, and Oliver Shallenger. These systems overcame the limitations imposed by using direct current, as found in the system that Thomas Edison fir ...

See also:

Alternating current, Alternating current - History, Alternating current - Distribution and domestic power supply, Alternating current - AC power supply frequencies by country, Alternating current - Mathematics of AC voltages

Read more here: » Alternating current: Encyclopedia II - Alternating current - History