Definition/Meaning  Word/Phrase 
former unit of electric current (slightly smaller than the SI ampere) 
ampere
,
international ampere

unit of electrical charge equal to the amount of charge transferred by a current of 1 ampere in 1 second 
amperesecond
,
C
,
coulomb

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 
ampereturn

unit of magnetomotive force equal to 0.7958 ampereturns 
Gb
,
Gi
,
gilbert

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 
H
,
henry

complete metric system of units of measurement for scientists; fundamental quantities are length (meter) and mass (kilogram) and time (second) and electric current (ampere) and temperature (kelvin) and amount of matter (mole) and luminous intensity (cande 
International System
,
International System of Units
,
SI
,
SI system
,
Systeme International
,
Systeme International d'Unites

unit of electrical energy equal to the work done when a current of one ampere passes through a resistance of one ohm for one second 
J
,
joule
,
watt second

one thousandth of an ampere 
mA
,
milliampere

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 
ohm

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 amp 
V
,
volt

unit of electrical power in an AC circuit equal to the power dissipated when 1 volt produces a current of 1 ampere 
var
,
voltampere

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 
W
,
watt

ampere unit 
watt
