Basic Electricity Vocab Flashcards
AC
Alternating Circuit
DC
Direct Circuit
Ohm
The equivalent of one volt per one ampere
Watt
The unit of electrical power equal to one ampere under the pressure of one volt
Ammeter
Instrument for measuring either direct (DC) or alternating (AC) electric current, in amperes
Ampere
The unit used to measure electric current
Battery
A source of electric power consisting of one or more electrochemical cells
Capacitor
Device for storing electrical energy
Circuit
A complete path that electricity flows through consisting of a source, conductors, and a load
Conductor
A material that allows electricity to flow through it
Current
The flow of charged particles moving through a circuit
Farad
Unit of electrical capacitance
Insulator
A material in which electric current does not flow freely
Inverter
Converts the DC electricity from sources such as batteries or fuel cells to AC electricity
Lead-Acid
A rechargeable battery that uses lead and sulphuric acid to function
LED
Light-emitting diode
Nickel-Cadmium
A type of rechargeable battery using nickel oxide hydroxide and metallic cadmium as electrodes
Ohm
The equivalent of one volt per one ampere
Ohmmeter
An instrument for measuring electrical resistance
Parallel
A circuit with two or more paths for current to flow
Resistance
A measure of the opposition to current flow in an electrical circuit
Specific Gravity
A measure of the density of a substance in comparison to the density of water
Series
A circuit with all loads in a row
Transformer
A machine that transfers electricity from one circuit to another with changing voltage but no frequency change
Voltage
The difference in charge between two points
Voltmeter
An instrument that measures the voltage or potential difference between two points of an electronic or electrical circuit
