The image of electron mobility of metal is shown below.

To compute for electron mobility of metal, two essential parameters are needed and these parameters are **Hall Coefficient (R _{H})** and

**Electrical Conductivity (σ).**

The formula for calculating electron mobiltiy of metal:

μ_{e} = |R_{H}|σ

Where:

μ_{e} = Electron Mobility of Metals

R_{H} = Hall Coefficient

σ = Electrical Conductivity

Let’s solve an example;

Find the electron mobility of metal when the hall coefficient is 28 and the electrical conductivity is 7.

This implies that;

R_{H} = Hall Coefficient = 28

σ = Electrical Conductivity = 7

μ_{e} = |R_{H}|σ

μ_{e} = |28|(7)

μ_{e} = (28)(7)

μ_{e} = 196

Therefore, the **electron mobility of metals **is **196 m²/(V.s).**

**Calculating the Hall Coefficient when the Electron Mobility of Metals and the Electrical Conductivity is Given.**

R_{H} = ^{μe} / _{σ}

Where:

R_{H} = Hall Coefficient

μ_{e} = Electron Mobility of Metals

σ = Electrical Conductivity

Let’s solve an example;

Find the hall coefficient when the electron mobility of metals is 24 and the electrical conductivity is 12.

This implies that;

μ_{e} = Electron Mobility of Metals = 24

σ = Electrical Conductivity = 12

R_{H} = ^{μe} / _{σ}

R_{H} = ^{24} / _{12}

R_{H} = 2

Therefore, the **hall coefficient **is **2.**

Continue reading How to Calculate and Solve for Electron Mobility of Metal | Electrical Properties