Direct current (DC) is one-directional flow of electric charge. An electrochemical cell is a prime example of DC power. Direct current may flow through...
17 KB (1,946 words) - 05:17, 25 June 2024
A high-voltage direct current (HVDC) electric power transmission system uses direct current (DC) for electric power transmission, in contrast with the...
78 KB (9,926 words) - 13:58, 27 June 2024
Transcranial direct current stimulation (tDCS) is a form of neuromodulation that uses constant, low direct current delivered via electrodes on the head...
53 KB (6,052 words) - 19:00, 9 July 2024
Alternating current (AC) is an electric current that periodically reverses direction and changes its magnitude continuously with time, in contrast to direct current...
48 KB (5,948 words) - 18:11, 14 July 2024
the dynamo type. Alternating current can also be converted to direct current through use of a rectifier. Direct current may flow in a conductor such as...
47 KB (5,461 words) - 01:00, 16 June 2024
DC motor (redirect from Direct-current motor)
motor that uses direct current (DC) to produce mechanical force. The most common types rely on magnetic forces produced by currents in the coils. Nearly...
17 KB (2,287 words) - 10:42, 7 July 2024
In telecommunication, a neutral direct-current telegraph system (single-current system, single-current transmission system, single-Morse system) is a telegraph...
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Direct-current plasma (DCP) is a type of plasma source used for atomic emission spectroscopy that utilizes three electrodes to produce a plasma stream...
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Voltage (redirect from Volts direct current)
alternating current (AC) there is a difference between instantaneous voltage and average voltage. Instantaneous voltages can be added for direct current (DC)...
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Pacific DC Intertie (redirect from Pacific Direct Current Intertie)
from the Pacific Northwest to the Los Angeles area using high voltage direct current (HVDC). The line capacity is 3.1 gigawatts, which is enough to serve...
15 KB (1,919 words) - 12:38, 20 April 2024
DC-to-DC converter (redirect from Direct current to direct current converter)
electronic circuit or electromechanical device that converts a source of direct current (DC) from one voltage level to another. It is a type of electric power...
24 KB (2,869 words) - 03:47, 9 April 2024
Direct Currents is the name of several promotional features by DC Comics, including a long-running newsletter. Direct Currents was first used as the name...
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Glow discharge (redirect from Direct-current discharge)
current is increased still further, other factors come into play and an arc discharge begins. The simplest type of glow discharge is a direct-current...
22 KB (2,855 words) - 08:06, 10 May 2024
street lighting running on high-voltage alternating current (AC), and large-scale low-voltage direct current (DC) indoor incandescent lighting being marketed...
69 KB (9,259 words) - 11:23, 19 May 2024
Electric generator (redirect from Direct-current generator)
alternators. Dynamos generate pulsing direct current through the use of a commutator. Alternators generate alternating current. Mechanically, a generator consists...
32 KB (3,814 words) - 03:31, 6 May 2024
Alternator (redirect from Synchronous alternating-current generator)
naturally produced alternating current, but since there was little use for it, it was normally converted into direct current via the addition of a commutator...
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shuttle-derived launch vehicle DirectX, a proprietary dynamic media platform Direct current, a direct flow of electricity Direct examination, the in-trial...
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smooth direct current; for residual pulsating rectified direct current which results from two or more phases; for residual smooth direct currents whether...
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Multimeter (redirect from Auto-polarity (direct-current signals))
Avometer had a sensitivity of 60 Ω/V, three direct current ranges (12 mA, 1.2 A, and 12 A), three direct voltage ranges (12, 120, and 600 V or optionally...
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Pulsed DC (redirect from Pulsating direct current)
Pulsed DC (PDC) or pulsating direct current is a periodic current which changes in value but never changes direction. Some authors use the term pulsed...
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Cardioversion (redirect from Direct current cardioversion)
Wafae BG, da Silva RM, Veloso HH (2019). "Propofol for sedation for direct current cardioversion". Annals of Cardiac Anaesthesia. 22 (2): 113–121. doi:10...
20 KB (2,317 words) - 09:09, 13 June 2024
electromagnetism, current density is the amount of charge per unit time that flows through a unit area of a chosen cross section. The current density vector...
23 KB (2,812 words) - 02:59, 27 May 2024
In electromagnetism, an eddy current (also called Foucault's current) is a loop of electric current induced within conductors by a changing magnetic field...
31 KB (3,534 words) - 03:27, 7 July 2024
Hall effect and vane type clamps can also measure direct current (DC). A common form of current clamp comprises a split ring made of ferrite or soft...
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Conductive coupling passes the full spectrum of frequencies including direct current. Such coupling may be achieved by a wire, resistor, or common terminal...
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Displacement current density has the same units as electric current density, and it is a source of the magnetic field just as actual current is. However...
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A constant current (steady current, time-independent current, stationary current) is a type of direct current (DC) that does not change its intensity with...
4 KB (430 words) - 10:30, 19 June 2024
Root mean square (redirect from Root-mean-square current)
the function. The RMS of an alternating electric current equals the value of constant direct current that would dissipate the same power in a resistive...
18 KB (2,650 words) - 16:05, 23 June 2024
used in the United States (often referred to as the "war of the currents"). Directed by Alfonso Gomez-Rejon, written by Michael Mitnick, and executive...
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shape of the sensed current. unipolar output, which is proportional to the average or RMS value of the sensed current. Direct current input, unipolar, with...
18 KB (2,463 words) - 23:37, 3 April 2024