Physics 2.2.5

Question 1

Where is Mains Electricity Generated?

Answer 1

Power Stations.

Question 2

How is Mains Electricity Transported around the Country?

Answer 2

Through the National Grid.

Question 3

What type of Current is Main Electricity?

Answer 3

Alternating Current. AC.

Question 4

What are the 3 Core Cables within a Plug? What are their Colours? (3)

Answer 4

-Live Wire- Red.

-Neutral Wire- Blue.

-Earth Wire- Green & Yellow Stripes.

Question 5

What does the Live Wire do?

Answer 5

Carries the Alternating Potential Difference from the Mains Supply to a Circuit.

Question 6

What does the Neutral Wire do?

Answer 6

Forms the Opposite end of the Circuit to the Live Wire to Complete the Circuit.

Question 7

What does the Earth Wire do?

Answer 7

Acts as a Safety Wire to stop the Appliance from becoming Live.