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...
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A high-voltage direct current (HVDC) electric power transmission system uses direct current (DC) for electric power transmission, in contrast with the...
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Transcranial direct current stimulation (tDCS) is a form of neuromodulation that uses constant, low direct current delivered via electrodes on the head...
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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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Alternating current (AC) is an electric current that periodically reverses direction and changes its magnitude continuously with time, in contrast to direct current...
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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...
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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...
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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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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...
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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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street lighting running on high-voltage alternating current (AC), and large-scale low-voltage direct current (DC) indoor incandescent lighting being marketed...
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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...
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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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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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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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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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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...
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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...
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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...
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In electromagnetism, an eddy current (also called Foucault's current) is a loop of electric current induced within conductors by a changing magnetic field...
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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...
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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...
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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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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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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...
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Electric locomotive (section Direct current)
low voltage and high current for the motors. A similar high voltage, low current system could not be employed with direct current locomotives because there...
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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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power line could be done efficiently. Much of early electricity was direct current, which could not easily be increased or decreased in voltage either...
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