Chapter 2 - Mains Electricity

Question 1

What is used to increase the voltage of mains electricity

Answer 1

Step Up Transformers

Question 2

What is used to decrease the voltage of mains electricity

Answer 2

Step Down Transformers

Question 3

What supplies us with electricity

Answer 3

The National Grid

Question 4

What is the voltage of electricity in the UK

Answer 4

230v

Question 5

Why is the voltage and current increased to travel through the wires

Answer 5

It is more efficient as less electrical energy is lost