Alternating/direct current Flashcards
1
Q
What happens in direct current
A
Current flows in one direction in the circuit only, theres steady or varying D.C
2
Q
What happens in alternating current
A
The current in the circuit changes direction every half cycle
The direction of the flow of charge reverses regularly with a set frequency
3
Q
Batteries
A
Batteries provide direct current
4
Q
Main supply
A
The main supply is an alternating current source
5
Q
To convert AC to DC
A
A semi conductor diode is used
6
Q
What is it called when a semi conductor diode is used
A
Rectification
