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53 relations: Alternating current, Amplifier, Atom, Boltzmann constant, Cathode, Cavity magnetron, Charge carrier, Clement D. Child, Cloud, Continuum mechanics, Coulomb's law, Density of states, Dielectric, Direct current, Electric charge, Electric field, Electric-field screening, Electrical breakdown, Electrical engineering, Electrical treeing, Electrode, Electromotive force, Electron, Electron mobility, Function (mathematics), Grid-leak detector, Homogeneity and heterogeneity, Incandescence, Incandescent light bulb, Ionization, Irving Langmuir, Metal, Ohm's law, Oxford University Press, Permittivity, Planck constant, Polarization (waves), Pressure, Pulse, Shot noise, Solid-state electronics, Temperature, Tetrode, Thermionic emission, Thomas Edison, Triode, Tungsten, Vacuum, Vacuum tube, Valve, ..., Vehicle, Vehicle audio, Work function. Expand index (3 more) »
Alternating current
Alternating current (AC) is an electric current which periodically reverses direction, in contrast to direct current (DC) which flows only in one direction.
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Amplifier
An amplifier, electronic amplifier or (informally) amp is an electronic device that can increase the power of a signal (a time-varying voltage or current).
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Atom
An atom is the smallest constituent unit of ordinary matter that has the properties of a chemical element.
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Boltzmann constant
The Boltzmann constant, which is named after Ludwig Boltzmann, is a physical constant relating the average kinetic energy of particles in a gas with the temperature of the gas.
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Cathode
A cathode is the electrode from which a conventional current leaves a polarized electrical device.
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Cavity magnetron
The cavity magnetron is a high-powered vacuum tube that generates microwaves using the interaction of a stream of electrons with a magnetic field while moving past a series of open metal cavities (cavity resonators).
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Charge carrier
In physics, a charge carrier is a particle free to move, carrying an electric charge, especially the particles that carry electric charges in electrical conductors.
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Clement D. Child
Clement D. Child (1868 – 1933) was an American physicist and educator.
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Cloud
In meteorology, a cloud is an aerosol consisting of a visible mass of minute liquid droplets, frozen crystals, or other particles suspended in the atmosphere of a planetary body.
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Continuum mechanics
Continuum mechanics is a branch of mechanics that deals with the analysis of the kinematics and the mechanical behavior of materials modeled as a continuous mass rather than as discrete particles.
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Coulomb's law
Coulomb's law, or Coulomb's inverse-square law, is a law of physics for quantifying the amount of force with which stationary electrically charged particles repel or attract each other.
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Density of states
In solid-state and condensed matter physics, the density of states (DOS) of a system describes the number of states per interval of energy at each energy level available to be occupied.
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Dielectric
A dielectric (or dielectric material) is an electrical insulator that can be polarized by an applied electric field.
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Direct current
Direct current (DC) is the unidirectional flow of electric charge.
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Electric charge
Electric charge is the physical property of matter that causes it to experience a force when placed in an electromagnetic field.
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Electric field
An electric field is a vector field surrounding an electric charge that exerts force on other charges, attracting or repelling them.
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Electric-field screening
In physics, screening is the damping of electric fields caused by the presence of mobile charge carriers.
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Electrical breakdown
Electrical breakdown or dielectric breakdown is when current flows through an electrical insulator when the voltage applied across it exceeds the breakdown voltage.
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Electrical engineering
Electrical engineering is a professional engineering discipline that generally deals with the study and application of electricity, electronics, and electromagnetism.
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Electrical treeing
In electrical engineering, treeing is an electrical pre-breakdown phenomenon in solid insulation.
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Electrode
An electrode is an electrical conductor used to make contact with a nonmetallic part of a circuit (e.g. a semiconductor, an electrolyte, a vacuum or air).
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Electromotive force
Electromotive force, abbreviated emf (denoted \mathcal and measured in volts), is the electrical intensity or "pressure" developed by a source of electrical energy such as a battery or generator.
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Electron
The electron is a subatomic particle, symbol or, whose electric charge is negative one elementary charge.
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Electron mobility
In solid-state physics, the electron mobility characterizes how quickly an electron can move through a metal or semiconductor, when pulled by an electric field.
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Function (mathematics)
In mathematics, a function was originally the idealization of how a varying quantity depends on another quantity.
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Grid-leak detector
A grid leak detector is an electronic circuit that demodulates an amplitude modulated alternating current and amplifies the recovered modulating voltage.
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Homogeneity and heterogeneity
Homogeneity and heterogeneity are concepts often used in the sciences and statistics relating to the uniformity in a substance or organism.
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Incandescence
Incandescence is the emission of electromagnetic radiation (including visible light) from a hot body as a result of its temperature.
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Incandescent light bulb
An incandescent light bulb, incandescent lamp or incandescent light globe is an electric light with a wire filament heated to such a high temperature that it glows with visible light (incandescence).
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Ionization
Ionization or ionisation, is the process by which an atom or a molecule acquires a negative or positive charge by gaining or losing electrons to form ions, often in conjunction with other chemical changes.
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Irving Langmuir
Irving Langmuir (January 31, 1881 – August 16, 1957) was an American chemist and physicist.
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Metal
A metal (from Greek μέταλλον métallon, "mine, quarry, metal") is a material (an element, compound, or alloy) that is typically hard when in solid state, opaque, shiny, and has good electrical and thermal conductivity.
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Ohm's law
Ohm's law states that the current through a conductor between two points is directly proportional to the voltage across the two points.
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Oxford University Press
Oxford University Press (OUP) is the largest university press in the world, and the second oldest after Cambridge University Press.
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Permittivity
In electromagnetism, absolute permittivity, often simply called permittivity, usually denoted by the Greek letter ε (epsilon), is the measure of resistance that is encountered when forming an electric field in a particular medium.
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Planck constant
The Planck constant (denoted, also called Planck's constant) is a physical constant that is the quantum of action, central in quantum mechanics.
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Polarization (waves)
Polarization (also polarisation) is a property applying to transverse waves that specifies the geometrical orientation of the oscillations.
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Pressure
Pressure (symbol: p or P) is the force applied perpendicular to the surface of an object per unit area over which that force is distributed.
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Pulse
In medicine, a pulse represents the tactile arterial palpation of the heartbeat by trained fingertips.
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Shot noise
Shot noise or Poisson noise is a type of electronic noise which can be modeled by a Poisson process.
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Solid-state electronics
Solid-state electronics means semiconductor electronics; electronic equipment using semiconductor devices such as semiconductor diodes, transistors, and integrated circuits (ICs).
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Temperature
Temperature is a physical quantity expressing hot and cold.
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Tetrode
A tetrode is a vacuum tube (called valve in British English) having four active electrodes.
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Thermionic emission
Thermionic emission is the thermally induced flow of charge carriers from a surface or over a potential-energy barrier.
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Thomas Edison
Thomas Alva Edison (February 11, 1847October 18, 1931) was an American inventor and businessman, who has been described as America's greatest inventor.
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Triode
A triode is an electronic amplifying vacuum tube (or valve in British English) consisting of three electrodes inside an evacuated glass envelope: a heated filament or cathode, a grid, and a plate (anode).
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Tungsten
Tungsten, or wolfram, is a chemical element with symbol W (referring to wolfram) and atomic number 74.
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Vacuum
Vacuum is space devoid of matter.
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Vacuum tube
In electronics, a vacuum tube, an electron tube, or just a tube (North America), or valve (Britain and some other regions) is a device that controls electric current between electrodes in an evacuated container.
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Valve
A valve is a device that regulates, directs or controls the flow of a fluid (gases, liquids, fluidized solids, or slurries) by opening, closing, or partially obstructing various passageways.
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Vehicle
A vehicle (from vehiculum) is a machine that transports people or cargo.
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Vehicle audio
Vehicle audio is equipment installed in a car or other vehicle to provide in-car entertainment and information for the vehicle occupants.
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Work function
In solid-state physics, the work setting (sometimes spelled workfunction) is the minimum thermodynamic work (i.e. energy) needed to remove an electron from a solid to a point in the vacuum immediately outside the solid surface.
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Child's law, Child-Langmuir Law, Mott–Gurney law, Space charge effect, Space charges, Space-charge effect, Space-charge limited current, Three-Halves Power Law.
References
[1] https://en.wikipedia.org/wiki/Space_charge
