Chapter Two Flashcards
(6 cards)
1
Q
what is known as the lethal voltage DC AC
A
50 DC 30 AC
2
Q
Conduction of electricity in Solids
A
Conduction effiency changes depending on the type of metal
3
Q
Conduction of electricity in Liquids
A
Only Liquid metals are conductors. Water and other non metals are non-conductors
4
Q
How do Non-metals conduct electricity
A
Process of Ionisation
5
Q
Conduction of electricity in Gases
A
Gasses are good insulators in a natural state. Gases can conduct electricity through ionisation
6
Q
Conduction of electricity in a Vacuum
A
Will not stop conducting as it offers no blockage to moving charges
