Electrical measurements, the Glossary
Electrical measurements are the methods, devices and calculations used to measure electrical quantities.[1]
Table of Contents
35 relations: Admittance, Capacitance, Electric charge, Electric current, Electric field, Electric power, Electrical impedance, Electrical reactance, Electrical resistance and conductance, Electricity meter, Electrometer, Electron, Euclidean vector, Frequency, Gain (electronics), Hall effect sensor, Inductance, List of sensors, Magnetic field, Magnetic flux, Metrology, Network analyzer (electrical), Partial discharge, Phase noise, Power factor, Power gain, Propagation delay, Scattering parameters, Spectral density, Spectrum analyzer, Speed of light, Susceptance, Transconductance, Voltage, Voltmeter.
Admittance
In electrical engineering, admittance is a measure of how easily a circuit or device will allow a current to flow. Electrical measurements and admittance are physical quantities.
See Electrical measurements and Admittance
Capacitance
Capacitance is the capability of a material object or device to store electric charge. Electrical measurements and Capacitance are electricity and physical quantities.
See Electrical measurements and Capacitance
Electric charge
Electric charge (symbol q, sometimes Q) is the physical property of matter that causes it to experience a force when placed in an electromagnetic field. Electrical measurements and Electric charge are electricity and physical quantities.
See Electrical measurements and Electric charge
Electric current
An electric current is a flow of charged particles, such as electrons or ions, moving through an electrical conductor or space. Electrical measurements and electric current are electricity.
See Electrical measurements and Electric current
Electric field
An electric field (sometimes called E-field) is the physical field that surrounds electrically charged particles.
See Electrical measurements and Electric field
Electric power
Electric power is the rate of transfer of electrical energy within a circuit. Electrical measurements and electric power are electricity.
See Electrical measurements and Electric power
Electrical impedance
In electrical engineering, impedance is the opposition to alternating current presented by the combined effect of resistance and reactance in a circuit. Electrical measurements and electrical impedance are physical quantities.
See Electrical measurements and Electrical impedance
Electrical reactance
In electrical circuits, reactance is the opposition presented to alternating current by inductance and capacitance. Electrical measurements and electrical reactance are physical quantities.
See Electrical measurements and Electrical reactance
Electrical resistance and conductance
The electrical resistance of an object is a measure of its opposition to the flow of electric current. Electrical measurements and electrical resistance and conductance are electricity and physical quantities.
See Electrical measurements and Electrical resistance and conductance
Electricity meter
analog electricity meter. Electricity meter with transparent plastic case (Israel)An electricity meter, electric meter, electrical meter, energy meter, or kilowatt-hour meter is a device that measures the amount of electric energy consumed by a residence, a business, or an electrically powered device over a time interval.
See Electrical measurements and Electricity meter
Electrometer
An electrometer is an electrical instrument for measuring electric charge or electrical potential difference. Electrical measurements and electrometer are electricity.
See Electrical measurements and Electrometer
Electron
The electron (or in nuclear reactions) is a subatomic particle with a negative one elementary electric charge. Electrical measurements and electron are electricity.
See Electrical measurements and Electron
Euclidean vector
In mathematics, physics, and engineering, a Euclidean vector or simply a vector (sometimes called a geometric vector or spatial vector) is a geometric object that has magnitude (or length) and direction.
See Electrical measurements and Euclidean vector
Frequency
Frequency (symbol f), most often measured in hertz (symbol: Hz), is the number of occurrences of a repeating event per unit of time.
See Electrical measurements and Frequency
Gain (electronics)
In electronics, gain is a measure of the ability of a two-port circuit (often an amplifier) to increase the power or amplitude of a signal from the input to the output port by adding energy converted from some power supply to the signal.
See Electrical measurements and Gain (electronics)
Hall effect sensor
A Hall effect sensor (also known as a Hall sensor or Hall probe) is any sensor incorporating one or more Hall elements, each of which produces a voltage proportional to one axial component of the '''B''' using the Hall effect (named for physicist Edwin Hall).
See Electrical measurements and Hall effect sensor
Inductance
Inductance is the tendency of an electrical conductor to oppose a change in the electric current flowing through it.
See Electrical measurements and Inductance
List of sensors
This is a list of sensors sorted by sensor type.
See Electrical measurements and List of sensors
Magnetic field
A magnetic field (sometimes called B-field) is a physical field that describes the magnetic influence on moving electric charges, electric currents, and magnetic materials.
See Electrical measurements and Magnetic field
Magnetic flux
In physics, specifically electromagnetism, the magnetic flux through a surface is the surface integral of the normal component of the magnetic field B over that surface.
See Electrical measurements and Magnetic flux
Metrology
Metrology is the scientific study of measurement.
See Electrical measurements and Metrology
Network analyzer (electrical)
A network analyzer is an instrument that measures the network parameters of electrical networks.
See Electrical measurements and Network analyzer (electrical)
Partial discharge
In electrical engineering, partial discharge (PD) is a localized dielectric breakdown (DB) (which does not completely bridge the space between the two conductors) of a small portion of a solid or fluid electrical insulation (EI) system under high voltage (HV) stress.
See Electrical measurements and Partial discharge
Phase noise
In signal processing, phase noise is the frequency-domain representation of random fluctuations in the phase of a waveform, corresponding to time-domain deviations from perfect periodicity (jitter).
See Electrical measurements and Phase noise
Power factor
In electrical engineering, the power factor of an AC power system is defined as the ratio of the real power absorbed by the load to the apparent power flowing in the circuit.
See Electrical measurements and Power factor
Power gain
In electrical engineering, the power gain of an electrical network is the ratio of an output power to an input power.
See Electrical measurements and Power gain
Propagation delay
Propagation delay is the time duration taken for a signal to reach its destination.
See Electrical measurements and Propagation delay
Scattering parameters
Scattering parameters or S-parameters (the elements of a scattering matrix or S-matrix) describe the electrical behavior of linear electrical networks when undergoing various steady state stimuli by electrical signals.
See Electrical measurements and Scattering parameters
Spectral density
In signal processing, the power spectrum S_(f) of a continuous time signal x(t) describes the distribution of power into frequency components f composing that signal.
See Electrical measurements and Spectral density
Spectrum analyzer
A spectrum analyzer measures the magnitude of an input signal versus frequency within the full frequency range of the instrument.
See Electrical measurements and Spectrum analyzer
Speed of light
The speed of light in vacuum, commonly denoted, is a universal physical constant that is exactly equal to). According to the special theory of relativity, is the upper limit for the speed at which conventional matter or energy (and thus any signal carrying information) can travel through space. Electrical measurements and speed of light are physical quantities.
See Electrical measurements and Speed of light
Susceptance
In electrical engineering, susceptance is the imaginary part of admittance, where the real part is conductance. Electrical measurements and susceptance are physical quantities.
See Electrical measurements and Susceptance
Transconductance
Transconductance (for transfer conductance), also infrequently called mutual conductance, is the electrical characteristic relating the current through the output of a device to the voltage across the input of a device.
See Electrical measurements and Transconductance
Voltage
Voltage, also known as (electrical) potential difference, electric pressure, or electric tension is the difference in electric potential between two points. Electrical measurements and Voltage are physical quantities.
See Electrical measurements and Voltage
Voltmeter
A voltmeter is an instrument used for measuring electric potential difference between two points in an electric circuit.
See Electrical measurements and Voltmeter