Capacitors Flashcards
(5 cards)
1
Q
Capacitor
A
An electrical component consisting of two plates separated by dielectric. Stores charge so it can be released at a later time
2
Q
Uses of capacitors
A
Ultracapacitors - back up
Smooth out D.C. variations in voltage - capacitor absorbs peaks and fills in troughs
3
Q
Permittivity
A
Measure of how difficult it is to generate an electric field in a medium
4
Q
Dielectric Material
A
Electric insulator that separates 2 plates of capacitor
5
Q
A
