• Thumbnail for Direct current
    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...
    16 KB (1,903 words) - 02:29, 8 May 2024
  • Thumbnail for High-voltage direct current
    A high-voltage direct current (HVDC) electric power transmission system uses direct current (DC) for electric power transmission, in contrast with the...
    78 KB (9,924 words) - 05:25, 20 May 2024
  • Thumbnail for Transcranial direct-current stimulation
    Transcranial direct current stimulation (tDCS) is a form of neuromodulation that uses constant, low direct current delivered via electrodes on the head...
    51 KB (5,769 words) - 05:10, 29 April 2024
  • In telecommunication, a neutral direct-current telegraph system (single-current system, single-current transmission system, single-Morse system) is a telegraph...
    973 bytes (128 words) - 03:45, 27 October 2022
  • Thumbnail for DC 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) - 08:37, 4 March 2024
  • Thumbnail for Direct-current plasma
    Direct-current plasma (DCP) is a type of plasma source used for atomic emission spectroscopy that utilizes three electrodes to produce a plasma stream...
    4 KB (430 words) - 22:09, 23 August 2022
  • Thumbnail for Alternating current
    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 (5,964 words) - 13:35, 25 May 2024
  • Thumbnail for Electric current
    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) - 19:20, 18 May 2024
  • Thumbnail for Voltage
    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)...
    25 KB (2,909 words) - 07:12, 27 April 2024
  • 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
  • shuttle-derived launch vehicle DirectX, a proprietary dynamic media platform Direct current, a direct flow of electricity Direct examination, the in-trial...
    1 KB (193 words) - 04:00, 27 March 2023
  • 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...
    16 KB (418 words) - 13:12, 18 December 2022
  • Thumbnail for Multimeter
    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...
    53 KB (6,849 words) - 23:17, 23 May 2024
  • Thumbnail for Glow 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
  • Thumbnail for Electric 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
  • Thumbnail for Alternator
    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...
    23 KB (2,626 words) - 15:53, 24 March 2024
  • Thumbnail for Residual-current device
    smooth direct current; for residual pulsating rectified direct current which results from two or more phases; for residual smooth direct currents whether...
    53 KB (7,592 words) - 15:59, 15 March 2024
  • Thumbnail for War of the currents
    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
  • Thumbnail for Pulsed DC
    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...
    5 KB (702 words) - 00:24, 19 May 2024
  • Thumbnail for Current density
    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) - 01:07, 2 May 2024
  • Thumbnail for Pacific DC 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
  • Thumbnail for 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 (2,318 words) - 14:48, 20 December 2023
  • Thumbnail for Eddy current
    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 (3,532 words) - 22:09, 20 May 2024
  • Thumbnail for Displacement current
    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...
    29 KB (3,850 words) - 17:23, 17 April 2024
  • Thumbnail for Current clamp
    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...
    10 KB (1,280 words) - 11:26, 15 April 2024
  • telegraph networks and railways. GIC are often described as being quasi direct current (DC), although the variation frequency of GIC is governed by the time...
    16 KB (1,974 words) - 04:12, 14 May 2024
  • 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 (2,642 words) - 18:54, 14 May 2024
  • process generates diffusion current. Alternating current Conduction band Convection–diffusion equation Direct current Drift current Free electron model Random...
    11 KB (1,420 words) - 08:28, 28 February 2024
  • Conductive coupling passes the full spectrum of frequencies including direct current. Such coupling may be achieved by a wire, resistor, or common terminal...
    4 KB (596 words) - 16:41, 28 February 2022
  • 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 (418 words) - 01:09, 17 December 2023