The electric field energy density is given by
, J/m3
It helps compute the overall energy stored in
an electric structure: , J. Note
that the energy density inside perfect conductors
is zero since the electric field vector vanishes.
Click below to view the energy density distribution
in the cross-section of three transmission-line
structures:
Ø Parallel-plate
line
Ø Coaxial
line
Ø Two-wire
line |
|
Figures (click
to enlarge) |
|
Figure
1 |
 |
Figure
2 |
 |
Figure
3 |
 |
|
|
|