Current density is charge density times drift velocity¶
The vector of the electric current density is a vector whose magnitude is the electric current per cross-sectional area at a given point in space and its direction is that of the motion of positive electric charges at that point.
Links:
- current_density¶
Vector of the
current_density.
- Symbol:
j- Latex:
\({\vec j}\)
- Dimension:
current/area
- charge_density¶
- Symbol:
rho- Latex:
\(\rho\)
- Dimension:
charge/volume
- drift_velocity¶
Vector of the
drift_velocity.
- Symbol:
u- Latex:
\({\vec u}\)
- Dimension:
velocity
- law¶
j = rho * u- Latex:
- \[{\vec j} = \rho {\vec u}\]