Mobility and Conductivity Relation

Mobility and Conductivity Relation

### Formula

$$\sigma=ne\mu$$

### Terminologies

- σ → Conductivity.

- n → Number density of charge carriers.

- e → Charge of electron.

- μ → Mobility.

### Conditions / Special Cases

Conductivity increases with carrier concentration.

### Usage

- Used in microscopic theory of conduction.