Energy Density of an Electric Field
u = (1/2)·eps0·E^2
What it says
The energy stored per unit volume in an electric field is one half the vacuum permittivity times the square of the field strength. The constant eps0 is the vacuum permittivity (8.85e-12 F/m).
Symbols
| Symbol | Quantity | Dimension |
|---|---|---|
u | Energy density (J/m^3) | M L^-1 T^-2 |
E | Electric field (V/m) | M L T^-3 I^-1 |
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Filed under Electromagnetism · derive through it in the explorer