energy transfers Flashcards
1
Q
what is the national grid
A
how we get electricity from power stations to our homes
2
Q
what are the stages of getting electricity to our homes
A
power station -> step up transformer -> network of cables-> step down transformer -> our houses
3
Q
what does a step up transformer do
A
goes from low voltage into a high voltage so electricity can move through a system with less energy loss making it more efficient
4
Q
what does a step down transformer do
A
goes from high voltage into a low voltage so it is safe to be in our homes