Chapter 4 - Capacitors Flashcards
1
Q
What is the gap between two electric plates called
A
Dielectric
2
Q
What is the equation for capacitance
A
C = Q/V
3
Q
How do you work out the energy stored in a capacitor
A
E = 0.5QV
4
Q
What does the time taken to charge or discharge a capacitor depend on
A
The capacitance
The resistance
5
Q
How do you work out the current as the capacitor charges
A
I = Ioe^(-t/RC)
6
Q
How do you work out the time constant
A
τ = RC
