Electric Conductors And Insulators Flashcards
1
Q
Conductors of electricity
A
Gold Silver and Copper sometimes Aluminium.
2
Q
Give two reasons why ceramic, not chalk, is used as an insulator
A
It is harder or stronger and it is watwr resistant.
3
Q
In the National Grid, where would you expect to find ceramic insulators being used.
A
In transmission lines to stop electricity from going through the cable into metal pylons.