- Types:
- show 71 types...
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capacitance unit
a measure of the capacity of a circuit component to store charge
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charge unit, quantity unit
a measure of the quantity of electricity (determined by the amount of an electric current and the time for which it flows)
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conductance unit
a measure of a material's ability to conduct an electrical charge
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current unit
a measure of the amount of electric charge flowing past a circuit point at a specific time
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elastance unit
the reciprocal of capacitance
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field strength unit
an electromagnetic unit of magnetic intensity
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flux density unit
a measure of the amount of flux per unit of cross sectional area
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inductance unit
a measure of the property of an electric circuit by which an electromotive force is induced in it
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light unit
a measure of the visible electromagnetic radiation
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magnetomotive force unit
a unit of measurement of magnetomotive force
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potential unit
a measure of the potential energy of a unit charge at a given point in a circuit relative to a reference point (ground)
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power unit
a measure of electric power
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radioactivity unit
a measure of radioactivity
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resistance unit
the reciprocal of conductance
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picofarad
a unit of capacitance equal to one trillionth of a farad
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microfarad
a unit of capacitance equal to one millionth of a farad
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millifarad
a unit of capacitance equal to one thousandth of a farad
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F, farad
the capacitance of a capacitor that has an equal and opposite charge of 1 coulomb on each plate and a voltage difference of 1 volt between the plates
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abfarad
a capacitance unit equal to one billion farads
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C, ampere-second, coulomb
a unit of electrical charge equal to the amount of charge transferred by a current of 1 ampere in 1 second
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abcoulomb
a unit of electrical charge equal to 10 coulombs
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ampere-minute
a unit of charge equal to 60 coulombs
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ampere-hour
a unit of charge equal to 3600 coulombs
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S, mho, reciprocal ohm, siemens
a unit of conductance equal to the reciprocal of an ohm
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A, amp, ampere
the basic unit of electric current adopted under the Systeme International d'Unites
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mA, milliampere
one thousandth of an ampere
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abamp, abampere
a unit of current equal to 10 amperes
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ampere, international ampere
a former unit of electric current (slightly smaller than the SI ampere)
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daraf
a unit of elastance equal to the reciprocal of a farad
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gamma
a unit of magnetic field strength equal to one-hundred-thousandth of an oersted
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oersted
the magnetic field strength 1 cm from a unit magnetic pole
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microgauss
a unit of magnetic flux density equal to one millionth of a gauss
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gauss
a unit of magnetic flux density equal to 1 maxwell per square centimeter
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tesla
a unit of magnetic flux density equal to one weber per square meter
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abhenry
a unit of inductance equal to one billionth of a henry
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millihenry
a unit of inductance equal to one thousandth of a henry
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H, henry
a unit of inductance in which an induced electromotive force of one volt is produced when the current is varied at the rate of one ampere per second
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illumination unit
a measure of illumination
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luminance unit
a measure of luminance
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luminous flux unit
a measure of luminous flux per unit area
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candlepower unit, luminous intensity unit
a measure of luminous intensity
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exposure
the intensity of light falling on a photographic film or plate
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Gb, Gi, gilbert
a unit of magnetomotive force equal to 0.7958 ampere-turns
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ampere-turn
a unit of magnetomotive force equal to the magnetomotive force produced by the passage of 1 ampere through 1 complete turn of a coil; equal to 1.257 gilberts
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magneton
a unit of magnetic moment of a molecular or atomic or subatomic particle
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abvolt
a unit of potential equal to one-hundred-millionth of a volt
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mV, millivolt
a unit of potential equal to one thousandth of a volt
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microvolt
a unit of potential equal to one millionth of a volt
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nanovolt
a unit of potential equal to one billionth of a volt
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picovolt
a unit of potential equal to one trillionth of a volt
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femtovolt
a unit of potential equal to one quadrillionth of a volt (or one thousandth of a nanosecond)
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V, volt
a unit of potential equal to the potential difference between two points on a conductor carrying a current of 1 ampere when the power dissipated between the two points is 1 watt; equivalent to the potential difference across a resistance of 1 ohm when 1 ampere of current flows through it
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kV, kilovolt
a unit of potential equal to a thousand volts
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abwatt
a power unit equal to the power dissipated when 1 abampere flows across a potential difference of 1 abvolt (one ten-thousandth of a milliwatt)
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milliwatt
a unit of power equal to one thousandth of a watt
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W, watt
a unit of power equal to 1 joule per second; the power dissipated by a current of 1 ampere flowing across a resistance of 1 ohm
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kW, kilowatt
a unit of power equal to 1000 watts
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megawatt
a unit of power equal to one million watts
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H.P., HP, horsepower
a unit of power equal to 746 watts
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var, volt-ampere
a unit of electrical power in an AC circuit equal to the power dissipated when 1 volt produces a current of 1 ampere
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kilovolt-ampere
a unit of electrical power equal to 1000 volt-amperes
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millicurie
a unit of radioactivity equal to one thousandth of a curie
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Ci, curie
a unit of radioactivity equal to the amount of a radioactive isotope that decays at the rate of 37,000,000,000 disintegrations per second
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Gy, gray
the SI unit of energy absorbed from ionizing radiation; equal to the absorption of one joule of radiation energy by one kilogram of matter; one gray equals 100 rad
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R, roentgen
a unit of radiation exposure; the dose of ionizing radiation that will produce 1 electrostatic unit of electricity in 1 cc of dry air
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rutherford
a unit strength of a radioactive source equal to one million disintegrations per second
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REM
(Roentgen Equivalent Man) the dosage of ionizing radiation that will cause the same amount of injury to human tissue as 1 roentgen of X-rays
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rad
a unit of absorbed ionizing radiation equal to 100 ergs per gram of irradiated material
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abohm
a unit of resistance equal to a billionth of an ohm
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ohm
a unit of electrical resistance equal to the resistance between two points on a conductor when a potential difference of one volt between them produces a current of one ampere
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megohm
a unit of resistance equal to one million ohms
