C3/4 electricity Flashcards
What is payback time
How long it takes you to pay back money
What fuel is used in a nuclear power station
Nuclear power
What does the transformer at the power station do
Steps the electricity down so it doesn’t blow the wires up
What does the transformer do at the house end
Steps the electricity back up to go into houses
Give a dis/advantage of fossil fuels
Dis- produces CO2
Ad- high amount of energy in small amount of time
Give a dis/advantage of BIofuel
Dis- long process
Ad- carbon neutral/ renewable
Give a dis/advantage of tidal power
Dis- hard to maintain
Ad- always a tide
Give a dis/advantage of solar power
Dis- costly/relies on sun
Ad- no greenhouse gases
Give a dis/advantage of wind power
Dis- costly/ugly/relies on wind
Ad- now green house gases
What’s the equation for power
Energy transferred
Power= time taken
Give a dis/advantage of coal power
Dis- release a lot of greenhouse gases
Ad- inexpensive energy source
Give a dis/advantage of gas
Dis- expensive
Ad- easiest to transport ( through pipes)