currents Flashcards
1
Q
If the current only flows in one direction what is it called
A
a direct current (DC)
2
Q
If the current consistantly changes direction what is it called
A
an alternating current (AC)
3
Q
a circuit using batteries uses what type of current
A
direct current (DC)
4
Q
what current do our homes use
A
alternating current (AC)
5
Q
what does direct potential difference do
A
causes current to flow on one direction only
6
Q
what does alternating potential difference do
A
causes current to flow in opposite directions
