Physics 2.2.5 Flashcards
1
Q
Where is Mains Electricity Generated?
A
Power Stations.
2
Q
How is Mains Electricity Transported around the Country?
A
Through the National Grid.
3
Q
What type of Current is Main Electricity?
A
Alternating Current. AC.
4
Q
What are the 3 Core Cables within a Plug? What are their Colours? (3)
A
-Live Wire- Red.
-Neutral Wire- Blue.
-Earth Wire- Green & Yellow Stripes.
5
Q
What does the Live Wire do?
A
Carries the Alternating Potential Difference from the Mains Supply to a Circuit.
6
Q
What does the Neutral Wire do?
A
Forms the Opposite end of the Circuit to the Live Wire to Complete the Circuit.
7
Q
What does the Earth Wire do?
A
Acts as a Safety Wire to stop the Appliance from becoming Live.
