What is capacitance
The charge stored per unit potential difference
What is the unit of capacitance
Farad
Capacitance of a spherical conductor
C=4piconstantr
Capacitance in series
1/C =1/C1 +1/C2 +1/C3
Capacitance in parallel
C = C1 + C2 + C3
What is elecrtical potential energy/workdone
E=1/2QV
E=1/2CV^2
E=1/2Q^2/C
Time constant
The time taken for the charge of the capacitor to decrease by 0.37 of its original value
What is the eq of time constant
T=RC
What are the capacitor discharge eq
V=Voe^(-t/RC)
I=Ioe^(-t/RC)