Electrical wires

This task is about what you know about electrical wires.

Question 1Change answer

This diagram shows some electrical wires.

a)   What type of material is the colour coating around the wires made of?

Why is it made of this material?

Question 1Change answer

b) Why are the coatings of the wires different colours?

Question 1Change answer

c)   What material is the wire made of?
Why is it made of this material?