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Ability of a body to store an electrical charge
related notions of capacitance: self-capacitance and mutual capacitance. An object that can be electrically charged exhibits self-capacitance, for which the
Capacitance
Input and output device
finger is known as finger capacitance, or CF. The capacitance of the sensor without a finger present is known as parasitic capacitance, or CP. In this basic
Touchscreen
Electronic component
called a cap. The utility of a capacitor depends on its capacitance. While some capacitance exists between any two electrical conductors in proximity
Capacitor
High-capacity electrochemical capacitor
also called an ultracapacitor, is a high-capacity capacitor, with a capacitance value much higher than solid-state capacitors but with lower voltage
Supercapacitor
Differential capacitance in physics, electronics, and electrochemistry is a measure of the voltage-dependent capacitance of a nonlinear capacitor, such
Differential_capacitance
SI unit of electric capacitance
The farad (symbol: F) is the unit of electrical capacitance, the ability of a body to store an electrical charge, in the International System of Units
Farad
A capacitance sensor or dielectric sensor uses capacitance to measure the dielectric permittivity of a surrounding medium. The configuration is like the
Capacitance_probe
Usually unwanted capacitance in a circuit
Parasitic capacitance or stray capacitance is the unavoidable and usually unwanted capacitance that exists between the parts of an electronic component
Parasitic_capacitance
Capacitor whose capacitance can be changed
A variable capacitor is a capacitor whose capacitance may be intentionally and repeatedly changed mechanically or electronically. Variable capacitors
Variable_capacitor
Effect in electronics
increase in the equivalent input capacitance of an inverting voltage amplifier due to amplification of the effect of capacitance between the amplifier's input
Miller_effect
Type of diode
variable capacitance diode, variable reactance diode or tuning diode is a type of diode designed to exploit the voltage-dependent capacitance of a reverse-biased
Varicap
Topics referred to by the same term
Capacitance hat may refer to: Capacitance hat, horizontal wires at the top of a 'T'-antenna or umbrella antenna Capacitance hat, a network of rounded
Capacitance_hat
Electronic oscillator circuit
resonant circuit with externally connected parallel capacitance. Any small additional capacitance in parallel with the crystal pulls the frequency lower
Crystal_oscillator
Fixed-value capacitor using ceramic
only small capacitance values could be realized. The expanding market of radios in the 1930s and 1940s create a demand for higher capacitance values but
Ceramic_capacitor
Manufacturing styles of an electronic device
value of capacitance, but adjustable capacitors are frequently used in tuned circuits. Different types are used depending on required capacitance, working
Capacitor_types
Storage of electricity in the human body
Body capacitance is the physical property of a human body to act as a capacitor. Like any other electrically conductive object, a human body can store
Body_capacitance
Analog video disc playback system
The Capacitance Electronic Disc (CED) is an analog video disc playback system developed by Radio Corporation of America (RCA), in which video and audio
Capacitance_Electronic_Disc
Technology in electrical engineering
In electrical engineering, capacitive sensing (sometimes capacitance sensing) is a technology, based on capacitive coupling, that can detect and measure
Capacitive_sensing
Circuit that makes capacitor act like a larger capacitor
A capacitance multiplier is designed to make a capacitor function like a much larger capacitor. This can be achieved in at least two ways. An active circuit
Capacitance_multiplier
Capacitance of the gate terminal of a field-effect transistor
gate capacitance is the capacitance of the gate terminal of a field-effect transistor (FET). It can be expressed as the absolute capacitance of the
Gate_capacitance
Electrical switch which is activated by being touched
detect changes in capacitance. When a person touches it, their body increases the capacitance and triggers the switch. Unlike self-capacitance, mutual capacitive
Touch_switch
Technique for characterizing semiconductor materials and devices
Capacitance–voltage profiling (or C–V profiling, sometimes CV profiling) is a technique for characterizing semiconductor materials and devices. The applied
Capacitance–voltage_profiling
Type of capacitor
much higher capacitance-voltage (CV) product per unit volume than ceramic capacitors or film capacitors, and so can have large capacitance values. There
Electrolytic_capacitor
Type of electrolytic capacitor
itself from other conventional and electrolytic capacitors in having high capacitance per volume (high volumetric efficiency) and lower weight. Tantalum is
Tantalum_capacitor
Type of electronic test equipment
A capacitance meter is a piece of electronic test equipment used to measure capacitance, mainly of discrete capacitors. Depending on the sophistication
Capacitance_meter
Type of capacitance
Quantum capacitance, also known as chemical capacitance is defined as the variation of electrical charge q {\displaystyle q} with respect to the variation
Quantum_capacitance
Capacitance present in the interface between a surface and fluid
Double-layer capacitance is the important characteristic of the electrical double layer which appears at the interface between a surface and a fluid (for
Double-layer_capacitance
Diffusion Capacitance is the capacitance that happens due to transport of charge carriers between two terminals of a device, for example, the diffusion
Diffusion_capacitance
Term in semiconductor electrochemistry
electrochemistry, a Mott–Schottky plot describes the reciprocal of the square of capacitance ( 1 / C 2 ) {\displaystyle (1/C^{2})} versus the potential difference
Mott–Schottky_plot
Electrical capacitance tomography (ECT) is a method for determination of the dielectric permittivity distribution in the interior of an object from external
Electrical capacitance tomography
Electrical_capacitance_tomography
Electronics component
"stray capacitance". Parallel capacitances add together, and so both the dielectric loss and the stray capacitance loss add up to a net capacitance. Audio
Speaker_wire
Type of capacitor
and also those with widest range of sizes, capacitance and voltage values. They are made with capacitance values from 0.1 μF up to 2,700,000 μF (2.7 F)
Aluminum electrolytic capacitor
Aluminum_electrolytic_capacitor
Unit of length
gauge in the CGS system, the centimetre is used to measure capacitance, where 1 cm of capacitance = 1.113×10−12 farads in maps, centimetres are used to make
Centimetre
Type of pointing device
technology used in the 2010s senses the change of capacitance where a finger touches the pad. Capacitance-based touchpads will not sense the tip of a pencil
Touchpad
Scanning capacitance microscopy (SCM) is a variety of scanning probe microscopy in which a narrow probe electrode is positioned in contact or close proximity
Scanning capacitance microscopy
Scanning_capacitance_microscopy
3D imaging technology
Three-dimensional electrical capacitance tomography (3D ECT) also known as electrical capacitance volume tomography (ECVT) is a non-invasive 3D imaging
Three-dimensional electrical capacitance tomography
Three-dimensional_electrical_capacitance_tomography
Electrical capacitor with an insulating plastic film as the dielectric
percentage of allowed deviation of the capacitance from the rated value is called capacitance tolerance. The actual capacitance value of a capacitor should be
Film_capacitor
Electronic test equipment that measures inductance, capacitance, and resistance
type of electronic test equipment used to measure the inductance (L), capacitance (C), and resistance (R) of an electronic component. In the simpler versions
LCR_meter
Solid conductive electrolyte
capacitance is measured at 1 kHz or higher. The basic unit of a polymer electrolytic capacitor's capacitance is the microfarad (μF). The capacitance value
Polymer_capacitor
Time constant of an RC circuit
circuit), is equal to the product of the circuit resistance and the circuit capacitance: τ = R C . {\displaystyle \tau =RC\,.} It is the time required to charge
RC_time_constant
Electrical resonant transformer circuit invented by Nikola Tesla
outside it. The inductance of (L2) resonates with stray capacitance (C2) and the capacitance of the toroid's metal electrode attached to the high-voltage
Tesla_coil
Type of sensor
determine aromas in the air by simultaneously measuring resonance and capacitance. Computer controlled electronics vastly increase the range of potential
Piezoelectric_sensor
Mathematical model of a dendrite
segments with capacitances c m {\displaystyle c_{m}} and resistances r m {\displaystyle r_{m}} combined in parallel (see Fig. 1). The capacitance of a neuronal
Cable_theory
Electronic oscillator
minimize parasitics. The total capacitance seen from the crystal looking into the rest of the circuit is called the "load capacitance". When a manufacturer makes
Pierce_oscillator
As transistors become smaller, their power density remains constant
transistor channel C ox {\displaystyle C_{\text{ox}}} : oxide capacitance – the capacitance per unit area of the gate dielectric layer (the oxide layer)
Dennard_scaling
Physical property of matter
Heat capacity or thermal capacity is a physical property of matter, defined as the amount of heat that must be supplied to an object to produce a unit
Heat_capacity
Simplification of a physical system into a network of discrete components
analog of electrical capacitance, although it also includes thermal analogs of electrical resistance as well. The lumped-capacitance model is a common approximation
Lumped-element_model
Evolutionary biology hypothesis
Evolutionary capacitance is the storage and release of variation, just as electrical capacitors store and release charge. Living systems are robust to
Evolutionary_capacitance
Electronic musical instrument
significant body capacitance, and thus can be treated as the grounded plate of a variable capacitor in an L-C (inductance-capacitance) circuit, which is
Theremin
Physical law relating heat loss to temperature difference
lumped capacitance model can be solved with a heat transfer coefficient that varies with temperature difference. A body treated as a lumped capacitance object
Newton's_law_of_cooling
Approximation for practical capacitors and inductors
inductors as used in electric circuits are not ideal components with only capacitance or inductance. However, they can be treated, to a very good degree of
Equivalent_series_resistance
Tool for studying defects in semiconductors
observes the device space charge region capacitance where the defect charge state recovery causes the capacitance transient. The voltage pulse followed
Deep-level transient spectroscopy
Deep-level_transient_spectroscopy
Storage of electricity within an electrochemical cell
static double-layer capacitance. Pseudocapacitance and double-layer capacitance both contribute inseparably to the total capacitance value. The amount of
Pseudocapacitance
Indian-American scientist and educator
non-equilibrium Green's function method for quantum transport and negative capacitances. Supriyo Datta was born in Dibrugarh, India in 1954. Datta received his
Supriyo_Datta
Semiconductor diode based upon the p–n junction
the diode diffusion capacitance, C J {\displaystyle C_{\text{J}}} the diode junction capacitance (the depletion layer capacitance) and r D {\displaystyle
P–n_diode
System that converts an analog signal into a digital signal
represented by a resistance or capacitance, then by including that element in an RC circuit (with other resistances or capacitances fixed) and measuring the
Analog-to-digital_converter
Amplifier that converts current to voltage
usually have more capacitance than an opamp can handle. The sensor can be modeled as a current source in parallel with a capacitance C i {\displaystyle
Transimpedance_amplifier
Technique for characterizing semiconductor materials
Drive-level capacitance profiling (DLCP) is a type of capacitance–voltage-profiling characterization technique developed specifically for amorphous and
Drive-level capacitance profiling
Drive-level_capacitance_profiling
Molecular interface between a surface and a fluid
voltage applied. This early model predicted a constant differential capacitance independent from the charge density depending on the dielectric constant
Double layer (surface science)
Double_layer_(surface_science)
Early scientific instrument to detect charge
The electroscope is an early scientific instrument used to detect the presence of electric charge on a body. It detects this by the movement of a test
Electroscope
Catalyst surface active in redox reactions
C_{DL}} is the double-layer capacitance. C S {\displaystyle C_{S}} is the specific capacitance which is the capacitance of an ideal flat surface of the
Electrochemical_surface_area
Inverse of electrical capacitance
Electrical elastance is the reciprocal of capacitance. The SI unit of elastance is the inverse farad (F−1). The concept is not widely used by electrical
Elastance
High-voltage capacitor used in photographic flashes
proportional to the product of the capacitance and the voltage squared; photoflash capacitors may have capacitance in the range 80-240 microfarads (μF)
Photoflash_capacitor
Conductor–ground plane electrical transmission line
microstrip, the plate capacitance may added to the fringe capacitance for each side of the microstrip line to compute the total capacitance for both the dielectric
Microstrip
Transfer of energy between circuits
nodes. Where analysis of many points in a circuit is carried out, the capacitance at each point and between points can be described in a matrix form. In
Capacitive_coupling
Type of field-effect transistor
MOSFET may require significant current to charge and discharge its gate capacitance. In an enhancement mode MOSFET, voltage applied to the gate terminal
MOSFET
Undesired resistance, inductance, or capacitance within electrical components
parasitic impedance is a circuit element (resistance, inductance or capacitance) which is not desirable in an electrical component for its intended purpose
Parasitic_impedance
Electronic component
Parasitic capacitance: The nonconducting diode behaves like a capacitor, which can distort and corrupt high-speed signals. Lower capacitance is generally
Transient-voltage-suppression diode
Transient-voltage-suppression_diode
Circuit component which represents double-layer capacitance
of a double layer, that is, an imperfect capacitor (see double-layer capacitance). Constant phase elements are also used in equivalent circuit modeling
Constant_phase_element
MOSFET that can handle significant power levels
MOSFET datasheets, the capacitances are often named Ciss (input capacitance, drain and source terminal shorted), Coss (output capacitance, gate and source shorted)
Power_MOSFET
Measure of the electric polarizability of a dielectric, compared with that of a vacuum
relative to vacuum. Likewise, relative permittivity is the ratio of the capacitance of a capacitor using that material as a dielectric, compared with a similar
Relative_permittivity
Type of radio antenna
increase the capacitance at the top of the antenna. More current is required in the vertical wire to charge and discharge this added capacitance during the
T-antenna
Electric circuit composed of resistors and capacitors
consists of a resistor with resistance R and a charged capacitor with capacitance C connected to one another in a single loop, without an external voltage
RC_circuit
Imbalance of electric charges within or on the surface of a material
electricity on an object varies depending on the size of the object and its capacitance, the voltage to which it is charged, and the dielectric constant of the
Static_electricity
Type of computer memory
(if the stored value is 0). Since the capacitance of the bit-line is typically much higher than the capacitance of the storage cell, the voltage on the
Dynamic_random-access_memory
Increase in voltage at a long AC power line
assuming negligible line resistance. Therefore, both line inductance and capacitance are responsible for this phenomenon. This can be analysed by considering
Ferranti_effect
Device that converts sound into an electrical signal
Because the capacitance of the plates is inversely proportional to the distance between them, the vibrations produce changes in capacitance. These changes
Microphone
Types of electrical circuits
The total capacitance of capacitors in series is equal to the reciprocal of the sum of the reciprocals of their individual capacitances: C = ( ∑ i =
Series_and_parallel_circuits
Model for magnetic circuits
resistance–reluctance model. The model makes permeance elements analogous to electrical capacitance rather than electrical resistance . Windings are represented as gyrators
Gyrator–capacitor_model
Electrical conductor
conductor, it has a small amount of capacitance. A "feedthrough capacitor" has a guaranteed minimum value of shunt capacitance[clarification needed] built in
Feedthrough
Optical diode invented by Jun-Ichi Nishizawa
zero- or reverse-bias (the "off" state), a PIN diode has a low capacitance. The low capacitance will not pass much of an RF signal. Under a forward bias of
PIN_diode
Tool for measuring equivalent series resistance of capacitors
Other types of meters used for routine servicing, including normal capacitance meters, cannot be used to measure a capacitor's ESR, although combined
ESR_meter
Electronic amplifier circuit type
amplifier tends to be low, due to high capacitance resulting from the Miller effect. The gate-drain capacitance is effectively multiplied by the factor
Common_source
Type of electrical cable configuration
driving the higher cable capacitance. The capacitance of a four-conductor quad-star cable is roughly equal to the capacitance of a standard two-conductor
Star_quad_cable
Ability of a biological organ to distend
Compliance is the ability of a hollow organ (vessel) to distend and increase volume with increasing transmural pressure or the tendency of a hollow organ
Compliance_(physiology)
Material with a high permittivity relative to silicon dioxide
dioxide gate dielectric has steadily decreased to increase the gate capacitance (per unit area) and thereby drive current (per device width), raising
High-kappa_dielectric
Opposition to current by inductance or capacitance
is the opposition presented to alternating current by inductance and capacitance. It is measured in ohms. Along with resistance, it is one of two elements
Electrical_reactance
Notation to specify resistor and capacitor values
numeral code for resistance and capacitance values and tolerances", "letter and digit code for resistance and capacitance values and tolerances", or informally
RKM_code
Passive two-terminal electrical component that stores energy in its magnetic field
on coil forms. Parasitic capacitance: The capacitance between individual wire turns of the coil, called parasitic capacitance, does not cause energy losses
Inductor
Sensor to detect the level of substances that flow
vibrating, rotating paddle, mechanical (diaphragm), microwave (radar), capacitance, optical, pulsed-ultrasonic and ultrasonic level sensors. These detect
Level_sensor
Power management technique of varying the voltage used by a component
discharging the capacitance at its node. This capacitance is the sum of capacitances from various sources: primarily transistor gate capacitance, diffusion
Dynamic_voltage_scaling
frequency (TRF) receiver, in which the instability-causing inter-electrode capacitance of the triode RF tubes is cancelled out or "neutralized" to prevent parasitic
Neutrodyne
Term in mesoscopic physics
bias voltages of a small electronic device comprising at least one low-capacitance tunnel junction. Because of the CB, the conductance of a device may not
Coulomb_blockade
Electronic circuit data format
chip in ASCII format. Non-ideal wires have parasitic resistance and capacitance that are captured by SPEF. These wires also have inductance that is not
Standard Parasitic Exchange Format
Standard_Parasitic_Exchange_Format
Type of microphone design
charge Q on the capacitor. Sound waves move the diaphragm, changing the capacitance C, which produces a corresponding voltage change across the capacitor
Electret_microphone
Measure of the electric polarizability of a dielectric material
electrostatics, the permittivity plays an important role in determining the capacitance of a capacitor. In the simplest case, the electric displacement field
Permittivity
Type of boundary condition in mathematics
Debye layer i.e. a linear quantum capacitance that appears in series with the ordinary dielectric geometrical capacitance. A single Robin boundary condition
Robin_boundary_condition
Electrically insulating substance able to be polarised by an applied electric field
material and thus influences many other phenomena in that medium, from the capacitance of capacitors to the speed of light. It is defined as the constant of
Dielectric
Circuit used to measure inductance
value) in terms of calibrated resistance and inductance or resistance and capacitance. When the calibrated components are a parallel resistor and capacitor
Maxwell_bridge
Type of AC electrical generator
systems, frequency and voltage are complex function of machine parameters, capacitance used for excitation, and load value and type. Induction generators are
Induction_generator
CAPACITANCE
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Girl/Female
Hindu
Bright brightness, A person symbolic of brightness
Girl/Female
Hindu
Goddess Lakshmi or lotus which is in the heart of Lord Vishnu
Boy/Male
Welsh Celtic
Old.
Boy/Male
Hindu, Indian, Marathi
Raft; Boat; A Competent Person; The Ocean
Boy/Male
Bengali, Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Telugu
Ravi; Lotus
Boy/Male
Tamil
Flower, Blossom
Male
English
Medieval form of English Ralph, RAFE means "wise wolf."
Girl/Female
American, British, English
From the Meadow of the Royal Fortress; Cyneburg's Field; Royal Fortress Meadow; Ruler
Girl/Female
Indian
Venus, Flute, Created with immense power
Female
Cornish
, twin.
CAPACITANCE
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CAPACITANCE