IMPORTANT FORMULAS
CAPACITANCE
DIELECTRIC CONSTANT
Charge
farad
ka
ELECTRIC FIELD
L
E
isalsoequalto
d
E
QQ
fo AA
unit_HIM
CAPACITANCE DERIVEDFROMGAUSSLAW
e
EoAy
d
unit
F
Mag Check From answer to 4
CONVERSION
m2
p m2
I
C
ki
E
Uf EE
d
EA
Emax
Ezo
Vmax
Emax
c
Co
also
d
Q
max
KEoA
KEOA
01
A
C Eo d
DIELECTRIC
KEo Ad
c
Q
C Qmax
Vmax
Charge Density
charge density
D
Q
A
o
Qmax
A
can also be in Dielectrics
Magnitude
of Electric Field
V Ed
Vmax Emaxd
EField from Ed.
E
I
Ea
STEPS IN SOLVING CURRENT RELATED PROBLEMS
NOTE
DCheck answer pasuli
2
4
SI units
conversion
k h d IB d c m
4
cm2 Dm2
to
at auto
AA 10 5
capacitance F
I
Current Ampere
circuits
E field VIM
charge
3
C
Capacitance
Q Charge
Volts
E ElectricField
D distance in m
Eo any constant
A area in m2
4 I
o
initial
Max
Ceofequivalent
I current
t time in seconds
F
resistance
F power
b length in m
p
resistivity
C