Mains Supply is a.c, Battery Supply is d.c Flashcards
1
Q
What is the UK mains electricity supply?
A
Approximately 230 volts
2
Q
What does a.c supply mean?
A
It means the current is constantly changing direction
3
Q
What does a.c stand for?
A
Alternating current
4
Q
By contrast, what do cells and batteries supply?
A
D.c
5
Q
What does d.c stand for?
A
Direct current
6
Q
What does direct current mean?
A
This just means that the current keeps flowing in the same direction
