Search results

...current '''I''' is flowing through a resistor '''R''', and experiencing a voltage drop '''V''', the power consumption can be expressed as '''I²R'' Calculating the power of AC circuits is more complex because both the voltage and the current are a function of time.

...between two points is directly proportional to the potential difference or voltage across the two points, and inversely proportional to the resistance between

...simplified circuit consisting of a voltage source, called the '''Thévenin voltage source''', in series with an impedance, called the '''Thévenin impedance'' ...em is shown in the figure: the circuit behavior is boiled down to a simple voltage divider.

*[http://hypertextbook.com/facts/2001/AliceLi.shtml Voltage of an Alkaline Battery]

...separated by an insulating ''gate oxide'' from a semiconductor ''body''. A voltage on the gate modulates the conductivity of a surface ''channel'' in the body

...tries. All UK light rail systems built since the Tyne and Wear have used a voltage of 750V DC.

...high voltage side) will oppose the [[electric field]] associated with the voltage difference. Thus, the ''polarization of the dielectric'' reduces the [[elec

*{{cite book |title=Current Sources and Voltage References: A Design Reference for Electronics Engineers|author=Linden T. H

{{r|Voltage||**}}

...houses and factories. Additional transformers reduce this to a much lower voltage (120 [[volt]]s in North America and 240 volts in Europe) for safety, eventu ...nsformers, so alternating currents can be carried long distances with high voltage and low power loss, which is why AC won out over DC.

...f the cell. A working '''Shaker channel''' is [[Voltage-gated ion channel|voltage dependent]] and has four subunits which form a pore through which ions flow

#Limiting the sustained firing of neurons, by promoting the inactive state of voltage-gated sodium channels #Limiting action of a specific voltage-gated calcium channel

...ayer) from a semiconductor layer (connected to the body contact). The gate voltage switches "on" and "off" the electrical connection between a source and drai

'''Voltage, electromotive force, or electric potential difference''' is the difference Voltage is related to [[electric current|current]] and [[resistance]] in an electri

...nt an ideal [[amplifier]], having infinite [[electric current|current]], [[voltage]], [[transconductance]] and [[transimpedance]] gain.<ref name=Verhoeven/> I == Example: voltage-controlled current sink ==

...an electric current (denoted by ''I'') flowing through a conductor and the voltage difference ''V'' between the ends of the conductor causing the current, ...r, a [[semiconductor]] [[diode]] is not, as its resistance varies with the voltage applied.

{{r|Voltage}}

...) from a semiconductor layer (connected to the ''body'' contact). The gate voltage switches "on" and "off" the electrical connection between a ''source'' and

...nonperiodic pulse, such as zero voltage to convey a zero bit and a nonzero voltage to convey a nonzero bit. The pulses are then used to amplitude, frequency,

{{r|Voltage}}

{{r|Voltage}}

...and dependends upon three variables: the resistance of the resistor, the [[voltage]] difference between its poles, and the flow of [[electron|electrons]] (cur If 10 volts of voltage is applied over a 100-ohm resistor, the current through the resistor will,

...hat the greater distance between the wire and ground allows for a higher [[voltage]].

{{r|Kirchhoff's voltage law}}

Auto-populated based on [[Special:WhatLinksHere/Kirchhoff's voltage law]]. Needs checking by a human.

...en by the circuit designer to allow adequate signal amplitude and adequate voltage or current gain, along with acceptable signal distortion. In [[digital circ ...bipolar transistor modes, showing extrapolation of asymptotes to the Early voltage.}}

...tes with neurons. Neuroglia have high-affinity transmitter uptake systems, voltage-dependent and transmitter-gated ion channels, and can release transmitters,

...rminal portion of a linear circuit by a simplified circuit consisting of a voltage source in series with an impedance.<ref name=Sedra/> ...rmine the voltage developed. The Norton impedance is then the ratio of the voltage across the terminals to the current passing through the terminals.

{{r|Voltage}}

* [[Signal (biology)]]: also termed ''biopotential'' - an electric quantity (voltage or current or field strength), caused by chemical reactions of charged ions

...voltage and current with the cosine of the phase angle between current and voltage in an alternating-current circuit.

{{r|Voltage}}

...cond power input at a lower voltage. Part of the chip functions at a lower voltage to keep down the overall power consumption and heat generation. The last mo

...elinating]] [[glia]] that speed conduction of the [[action potential]]. [[Voltage gated ion-channels]] are distributed throughout the axon to maximize conduc

By convention, an electric current runs from positive to negative voltage (in a direction opposite the actual flow of the&mdash;negatively charged&md

...ocardiographic detection of left ventricular hypertrophy by the simple QRS voltage-duration product |journal=J. Am. Coll. Cardiol. |volume=20 |issue=5 |pages= Various electrocardiographic criteria exist: Sokolow-Lyon index, Cornell voltage index, Cornell product, Gubner, and Romhilt-Estes score.<ref name="pmid1772

{{r|Voltage}}

{{r|Voltage}}

...s input terminal(s) (usually a [[Electric current|current]] or a [[Voltage|voltage]]) to control an output signal at its output terminal(s), acting either as

...w pass filter (VCF), a trapezoid envelope generator, joy-stick controller, voltage controlled spring reverb unit and two stereo output amplifiers. The VCS3 wa

...ogy is based on the experimental measuring of physical parameters (such as voltage or pressure) both as input and output of the sensory systems, and is comple

...[[biological specimen]], reactance causes the current to lag behind the [[voltage]], creating a [[phase shift]]. When quantified geometrically, this shift is

...tors are usually small battery-powered devices worn by the patient, higher-voltage [[elecrostim]] units are used by [[physical therapy|physical therapists]] a

...uch as copper wires, where electrons, not ions, transport charge between a voltage difference.

...ent (voltage) returned to the site of the dependent source to the current (voltage) of a replacement independent source. The terms ''loop gain'' and ''return # Place an independent source of the same type (voltage or current) and polarity in parallel with the selected dependent source.

...Two-port network with symbol definitions. A [[Thévenin's theorem|Thévenin voltage source]] with [[Thévenin's theorem|Thévenin impedance]] ''Z_Th' :''V₁'' = Port 1 voltage

...'' is the increase in the equivalent input [[capacitance]] of an inverting voltage [[amplifier]] due to a capacitance connected between two gain-related nodes where ''A'' is the voltage gain between the two nodes at either end of the coupling capacitance, which

...ttps://www.utdallas.edu/~hellums/docs/JournalPapers/WidlarBandgap.pdf ''IC voltage regulators''].</ref> ...stor ''Q''₁. This observation is expressed by equating the base voltage expressions found on either side of the circuit in the figure as:

...g, or move on to the next word if correct. For each wrong answer the shock voltage would be turned up a notch. ...d. If the subject did not stop, the experiment would end after the maximum voltage of 450v was administered for the third time.

{{Image| Dielectric.png|right|350px|Two capacitors at same static voltage difference ''V''. On the left vacuum between the plates and on the right a ...ght a dielectric. Note in particular that the plates are held at the same voltage difference ''V'' and have the same area ''A''. When the capacitor on the ri