Drift Velocity of Charge Carriers
v_d = I / (n·A·e)
What it says
The average drift speed of charge carriers in a conductor depends on the current, carrier density, cross-sectional area, and elementary charge. The constant e is the elementary charge (1.602e-19 C).
Symbols
| Symbol | Quantity | Dimension |
|---|---|---|
v_d | Drift velocity (m/s) | L T^-1 |
I | Current (A) | I |
n | Carrier number density (1/m^3) | L^-3 |
A | Cross-sectional area (m^2) | L^2 |
Work it out
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Connects to
Filed under Electromagnetism · derive through it in the explorer