Poynting Vector
S = (E·B) / μ0
What it says
The Poynting vector magnitude gives the power per unit area carried by an electromagnetic wave from its perpendicular electric and magnetic field magnitudes.
Symbols
| Symbol | Quantity | Dimension |
|---|---|---|
S | Energy flux (W/m^2) | M T^-3 |
E | Electric field (V/m) | M L T^-3 I^-1 |
B | Magnetic field (T) | M T^-2 I^-1 |
mu0 | Vacuum permeability (1.257e-6 T·m/A) | M L T^-2 I^-2 |
Work it out
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Connects to
Filed under Electromagnetism · derive through it in the explorer