Dc And Ac Flashcards
1
Q
What does Ac have a frequency of
A
50hz
2
Q
What do scientist use to see the pattern of electrical current
A
Oscilloscopes
3
Q
What does Ac have the p.d of
A
230
4
Q
What DC do
A
The movement of charge in one direction
5
Q
What does AC do
A
Comes from mains and continuously varies from positive to negative (charge changes direction)
6
Q
Eg that supply DC
A
Cells
Batteries
