Electricity Flashcards
1
Q
In the UK how is electricity supplied?
A
50 Hz (A.C. - alternating current)
2
Q
what is the national grid?
A
a nationwide network of TRANSFORMERS and CABLES that link power stations to homes, offices and other consumers of mains electricity
3
Q
describe what happens when the output of the PV cells is less than the energy needed in the home
A
the houses use electricity generated by the National Grid
4
Q
suggest a reason why people may choose to not have PV cells in their house
A
you might not like how they look/large number needed to produce sufficient
energy
