The flashcards below were created by user
Aamir101
on FreezingBlue Flashcards.
-
Direct current(DC)
Currernt in which charge particles travel through a circuit in only one direction
-
Alternating current(AC)
A current in which particles move back and forth in a circuit
-
Transformer
Not a robot that tries to save or destroy the earth but an electrical device that changes the size of the potential difference of an alternating current
-
Circuit breaker
A saftey device that is placed in series with other circuits that lead to appliances and outlets
-
Fuse
A saftey device that is found in older buildings and some appliances;like a circuit breaker,it is placed in series with other circuits that lead to appliances and outlets
-
Electrical power
The rate at which an appliance uses electrical energy
-
Watt(W)
A unit of electrical power; 1 killowatt=1000W
-
Kilowatt
A particle unit of electrical power; 1kw=1000W
-
Electrical energy
The energy that is used by an appliance at a given setting; is determinded by multiplying its power rating by lenghth of time used
-
Kilowatt-hours(kW.h)
The particle unit of electrical energy
-
EnerGuide label
A label tahat gives details about how much energy an appliance uses in one year of normal use
-
Smart meter
A meter that records he total electrical energy used hour by hour and sends this information to the utility company automatically
-
Time of use pricing
A system of pricing in which the cost of each kW.h of energy used is different at different times of the day
-
Phantom load
The electricity that is consumed by an appilance or device when it is turned off
-
Efficency
The ratio of useful energy output ,expressed as a percentage
-
Base load
The countinuous minimum demand for electrical power
-
Hydroelectric power generator(The tounge twister)
The production of electricity using a source of moving water
-
Intermidiate load
A demand for electricity that is greater than the base load and is met by burning fossil fuels and natural gas
-
Peak load
The greatest demand for electricity ,which is met by using hydroelectricity power and natural gas
-
Renewable energy source
A source of energy that can be replaced in a relativley breif period of time
-
Non-renewable energy source
A source of energy that cannot be replaced as quickley as it is used
-
Solar energy
Energy that is directley converted from the energy of the sun into electicity
-
Photovoltaic effect
The generation of a direct current when certain materials are exposed
-
Biomass energy
Energy that is generated from plant and animal matter
|
|