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  • Electric current
    ...lasma]]. Electric current creates a [[magnetic field]], and a time-varying electric current generates an [[electromagnetic wave]], as described by [[Maxwell's equation The [[SI unit]] for electric current is the [[ampere]].
    711 bytes (103 words) - 08:37, 21 August 2011
  • Ampere (disambiguation)
    * [[Ampere (unit)]] SI unit of electric current named for André-Marie Ampère. * [[Ampere's rule]] Right-hand rule for effect of electric current on compass needle.
    530 bytes (70 words) - 12:42, 31 May 2009
  • Current mirror/Definition
    ...lude>{{Subpages}}</noinclude>An electrical circuit designed to control a [[electric current|current]] through one [[Mode (electronics)|active device]] by copying the c
    272 bytes (36 words) - 11:29, 10 June 2011
  • Electricity/Related Articles
    {{r|Electric current}}
    781 bytes (105 words) - 09:49, 7 December 2008
  • Biot–Savart law/Definition
    ...a providing the [[magnetic flux density]] generated by a wire carrying a [[electric current|direct current]] as a function of distance from the wire.
    190 bytes (27 words) - 09:55, 7 May 2011
  • Right-hand screw rule
    ...ule''', also known as '''corkscrew rule''', associates the direction of an electric current with the direction of the magnetic force lines circling the current, see [[ By convention, an electric current runs from positive to negative voltage (in a direction opposite the actual
    965 bytes (153 words) - 12:51, 11 June 2009
  • Right-hand screw rule/Definition
    Associates the direction of an electric current with the direction of the magnetic force lines encircling the current.
    154 bytes (21 words) - 10:19, 16 July 2008
  • Biot-Savart law/Definition
    Gives the magnetic field at some distance of an electric current-carrying wire.
    115 bytes (15 words) - 19:53, 21 March 2011
  • Ampere's equation/Definition
    An expression for the magnetic force between two electric current-carrying wire segments.
    125 bytes (15 words) - 09:06, 20 April 2011
  • Voltage
    Voltage is related to [[electric current|current]] and [[resistance]] in an electric circuit by [[Ohm's Law]].
    1 KB (210 words) - 16:58, 8 December 2007
  • Ampere (unit)/Definition
    Unit of electric current; symbol A; one of the seven SI base units.
    103 bytes (16 words) - 05:57, 9 July 2008
  • Density (disambiguation)
    {{rpl|Electric current density}}
    536 bytes (65 words) - 18:50, 19 December 2020
  • Abvolt
    with power ''P'' in [[erg]]/s and electric current ''i'' in abA, we obtain by [[dimensional analysis]]
    747 bytes (108 words) - 21:44, 18 April 2009
  • Abampere/Definition
    Unit of electric current in the cgs-emu system of units; symbol abA; 1 abA = 10 A.
    118 bytes (17 words) - 05:56, 9 July 2008
  • Electronic switch/Definition
    Electronic switches are devices that can stop or start an electric current as a result of the absence (or presence) of a control signal.
    172 bytes (27 words) - 07:51, 23 October 2008
  • Electricity
    In a flashlight, the batteries produce an [[electric current]] that is transported to a [[light bulb]]. The current provides the power f Batteries produce an electric current which always flows in one direction, which is called [[direct current]] (DC
    4 KB (661 words) - 14:58, 1 September 2011
  • Statampere
    In [[physics]], the '''statampere''' (symbol '''statA''') is the unit of electric current in both the cgs-esu (centimeter-gram-second electrostatic) system and the ...asymp; 3&sdot;10<sup>8</sup> m/s) and A ([[ampere]]) is the [[SI]] unit of electric current; in SI units: 1 A = 1 C/s ([[coulomb (unit)|coulomb]] per [[second]]).
    597 bytes (91 words) - 02:14, 24 October 2009
  • Hans Christian Oersted/Definition
    ...physicist and chemist best known for his discovery of the influence of an electric current on the orientation of a compass needle.
    237 bytes (32 words) - 08:07, 21 June 2008
  • Ampere's rule/Definition
    178 bytes (26 words) - 08:20, 20 June 2008
  • James Clerk Maxwell/Addendum
    ''The relation between an electric current, and the electromotive force which produces it.''
    4 KB (674 words) - 05:17, 23 February 2009
  • Magnetic constant/Definition
    ...n the [[International System of Units]] (SI) relating mechanical force and electric current in [[classical vacuum]] with a defined value {{nowrap|''&mu;<sub>0</sub>''}
    290 bytes (42 words) - 19:00, 27 March 2011
  • Statampere/Definition
    Electric current in the Gaussian system of units; symbol statA; 1 statA = 1 A/(10&sdot;''c'
    167 bytes (26 words) - 07:36, 10 July 2008
  • Transistor/Definition
    ...ductor]] device that allows a signal at its input terminal(s) (usually a [[Electric current|current]] or a [[Voltage|voltage]]) to control an output signal at its outp
    372 bytes (56 words) - 13:22, 10 June 2011
  • Ampere's rule
    580 bytes (96 words) - 20:07, 20 September 2021
  • Gauss' law (magnetism)
    ...over a closed surface that may envelop one or more permanent magnets and electric current carrying wires. The law is called after the German mathematician [[Carl Fr ...es not exist, neither as permanent monopole, nor as monopole induced by an electric current. This law expresses the empirical fact that division of a permanent magnet
    3 KB (415 words) - 13:04, 29 March 2009
  • Ohm's law
    '''Ohm's law''' is the name of the relationship between an electric current (denoted by ''I'') flowing through a conductor and the voltage difference '
    1 KB (225 words) - 02:06, 24 October 2009
  • Ampere's law
    ...mics]], '''Ampère's law''' relates the strength of a magnetic field to the electric current that causes it. The law was first formulated by [[André-Marie Ampère]] ar We consider a closed curve ''C'' around an electric current ''i''. Other than the current ''i'' there is no matter present; this is the
    3 KB (510 words) - 10:16, 16 July 2008
  • Displacement current
    Ampère's law states that an electric current through a wire causes a magnetic field encircling the wire. In a very simil ...figure on the right a [[capacitor]] (with green plates) is charged by an [[electric current]] ''I''. The conduction current ''I'' is related to the current density ''
    6 KB (972 words) - 16:59, 27 October 2021
  • Ampere (unit)
    The '''ampere''', symbol '''A''', is the [[SI]] unit of [[electric current]]. It is defined *{{cite web|url=http://physics.nist.gov/cuu/Units/ampere.html|title=Unit of electric current (ampere)|work=The NIST reference on constants, units, and uncertainty|acces
    3 KB (445 words) - 19:17, 10 September 2021
  • Watt (unit)
    ...m the relation which states that dissipated power ''P'' is proportional to electric current ''i'' and voltage difference ''V'',
    2 KB (289 words) - 15:09, 15 August 2022
  • Faraday constant
    ...ring electrolysis was the accepted manner of measuring electric charge and electric current.
    1 KB (197 words) - 12:15, 20 December 2007
  • Electron/Related Articles
    {{r|Electric current}}
    2 KB (289 words) - 12:57, 15 March 2024
  • Metric units
    ...is system is also referred to as the ''MKS system''. Sometimes the unit of electric current, the [[ampere]], is added to the system and then it is referred to as the '
    707 bytes (114 words) - 20:53, 26 June 2009
  • Volt
    where ''i'' is electric current (in ampere) and dissipated power is ''P'' (in watt = J/s), follows that the
    3 KB (527 words) - 03:55, 9 July 2008
  • Ampere's equation/Related Articles
    {{r|Electric current}}
    873 bytes (113 words) - 09:04, 20 April 2011
  • Oersted (unit)
    ...straight conductor|Biot-Savart law]] giving the field |'''H'''| due to an electric current ''I'' in an infinitely long straight conductor, ...ic flux density and the oersted is defined through the field created by an electric current.
    4 KB (584 words) - 11:53, 21 September 2009
  • Abampere
    In [[physics]], the '''abampere''', symbol abA, is the unit of electric current in the cgs-emu (centimeter-gram-second electromagnetic) system of units:
    2 KB (292 words) - 09:18, 8 July 2008
  • Hans Christian Oersted
    ...st and chemist. He is best known for his discovery of the influence of an electric current on the orientation of a compass needle (April 1820).
    5 KB (738 words) - 06:22, 12 September 2013
  • Ohm's law/Related Articles
    {{r|Electric current}}
    1 KB (162 words) - 04:48, 2 September 2009
  • Faraday's law (electromagnetism)
    ...1831 on basis of observations that a change in a magnetic field induces an electric current. This is the phenomenon of electromagnetic induction. ...etic flux that cuts across the circuit. By [[Ohm's law]] an EMF induces an electric current in a conductor.
    9 KB (1,549 words) - 12:18, 11 June 2009
  • Biot–Savart law
    ...]] '''B''' (proportional to the magnetic field '''H''') caused by a direct electric current in a wire. Biot and Savart interpreted their measurements by an integral re ...''' due to infinitesimal piece d'''s''' (red) of wire (blue) transporting electric current ''i''. }}
    11 KB (1,702 words) - 13:31, 22 April 2011
  • Nullor
    ...name=Carlin/> Nullors represent an ideal [[amplifier]], having infinite [[electric current|current]], [[voltage]], [[transconductance]] and [[transimpedance]] gain.<r
    7 KB (1,178 words) - 10:49, 10 June 2011
  • The Body Electric
    ...later able to observe frog blood cell dedifferentiation [[in vitro]] in an electric current. The current also enabled adult rats to partially regenerate an amputated l
    9 KB (1,280 words) - 08:12, 20 September 2013
  • Gaussian units
    <tr> <td><i>I</i> </td> <td>[[Electric current]] </td> <td>[[ampere]] (A) </td> <td>10<i>c</i>...
    11 KB (1,527 words) - 17:15, 2 November 2021
  • Luigi Galvani
    ...jar]] (a device used to store static electricity), Galvani found that the electric current delivered by the two would cause the contraction of muscles in the legs of
    2 KB (367 words) - 19:24, 1 November 2013
  • Magnetic constant
    ...cite web |url=http://physics.nist.gov/cuu/Units/ampere.html |title=Unit of electric current (ampere) |accessdate=2007-08-11 |work=Historical context of the SI |publi
    4 KB (511 words) - 11:04, 17 April 2011
  • Relative permeability
    ...ature and can be directly observed. A planar wire loop conducting a steady electric current resembles a magnetic dipole at distances large compared to the dimensions o
    11 KB (1,675 words) - 17:41, 23 April 2011
  • Magnetism
    ...y placing them in a coil of wire (a [[solenoid]]) through which a direct [[electric current]] is running. Some substances can be magnetized more easily than others. So
    7 KB (1,065 words) - 11:42, 12 October 2011
  • Transistor
    ...ductor]] device that allows a signal at its input terminal(s) (usually a [[Electric current|current]] or a [[Voltage|voltage]]) to control an output signal at its outp
    3 KB (447 words) - 13:31, 5 July 2022
  • Light bulb
    ...ble light. The ultraviolet light is produced within the tube by passing an electric current through a gas that is comprised of mercury vapor. Since these lamps contain
    7 KB (1,199 words) - 10:55, 9 March 2024
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