Electrical Mobility Calculator

Find charge carrier mobility from drift velocity and field.

Mobility (m²/(V·s)) 0

Formula: μ = v_d ÷ E

Step-by-step with your numbers:
1. Values used:
2. Drift velocity = 0.0001
3. Electric field = 100 V/m
4.
5. Mobility = Drift velocity / Electric field = 0.0001 / 100 = 0m²/(V·s)
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Electrical mobility measures how quickly charge carriers drift in an electric field.

The math behind it

μ = v_d ÷ E, the drift velocity per unit field. Higher mobility means faster, more conductive carriers.

Worked example

v_d 0.1 mm/s in 100 V/m → 1 × 10⁻⁶ m²/(V·s).

FAQ

Why does it matter in semiconductors?

Higher carrier mobility means faster transistors and better conductivity.