5.4 Capacitance Flashcards
1
Q
Capacitor are Used in…
A
Pulsed power
Temporary batteries
Defibrillator
2
Q
Capacitance definition
A
The charge stored per unit volt
3
Q
Farad definition
A
One farad can be described as the capacitance which stores a one coulomb charge across a pd of one volt
4
Q
Capacitance equation
A
C=Q/V
5
Q
EMF definition
A
Electrical energy generated per unit coulomb passing through a source
6
Q
Pd definition
A
Electrical energy transferred per unit coulomb passing through a component
7
Q
E stored equations
A
E=1/2.Q^2/C
E=1/2.C.V^2
8
Q
Capacitors in parallel and series
A
Parallel: C1+C2+C3…
Series: 1/C1+1/C2+1/C3..
9
Q
Log equations
A
V=Vo.e^-t/RC
