Electrical Mobility Calculator
Calculate mobility from drift velocity and electric field.
How to Use This Calculator
1
Enter drift velocity
Average velocity of carriers under the field.
2
Enter electric field
Applied field in volts per meter.
3
Calculate μ
Mobility indicates how quickly carriers move per unit field.
Formula
μ = v_d / E
Example: v_d = 0.02 m/s, E = 1000 V/m → μ = 2×10⁻⁵ m²/V·s
About Electrical Mobility
Mobility is a key parameter in semiconductors and plasmas, describing carrier response to electric fields.
- Semiconductor device modeling
- Gas ion mobility studies
Frequently Asked Questions
Typical units?
m²/(V·s) in SI. Sometimes cm²/(V·s) is used.
What affects μ?
Temperature, impurities, lattice scattering, and material structure.