Devices Flashcards
0
Q
Purpose of capacitors
A
There purpose is to react against changes in voltage by supplying or drawing current in the direction necessary to oppose the change.
1
Q
Capacitance
A
The measure of a capacitors ability to store energy for a given amount of voltage drop. Measured in the unit of the Farad, F
2
Q
Direct current (DC)
A
Voltage or current that maintains constant polarity or direction over time
3
Q
Alternating Current (AC)
A
Voltage or current that changes polarity or direction over time.
