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