Mains Electricity Flashcards
1
Q
What is the Green+Yellow wire called ?
A
Earth Wire
2
Q
Why is there a Fuse in Plug Sockets ?
A
It protects the flex of the appliance
3
Q
What would make the National Grid less efficient ?
A
As the Current becomes higher, the more Energy is wasted
4
Q
What is a Flex ?
A
It is a grip to hold all of the wires
5
Q
What is the name of the process by which generators produce a voltage ?
A
Electromagnetic induction
6
Q
What is needed to produce a voltage in a generator or transformer ?
A
A changing magnetic field
7
Q
What is the main supply to our homes ?
A
230 v
