# Electron Velocity Calculator, Formula, Electron Velocity Calculation

## Electron Velocity Calculator:

Enter the values of Current I(amps), Free Charge Density n(1/m3), Charge q(coloumb) & cross-sectional area A(m3) to determine the value of Electron Velocity EV(m/s) .

 Enter Current: amps Enter Free Charge Density: 1/m3 Enter Cross-Sectional Area: m3 Result – Electron Velocity: m/s

## Electron Velocity Formula:

The Electron Velocity EV(m/s) in meter per second is equal to the Current I(amps) in amps is divided by the Free Charge Density n(1/m3) in one per metre cube and multiply the Charge q(coloumb) = (-1.60*10-19 C) in coloumb and again multiply the cross-sectional area A(m3) in meter cube.

The Formula of Electron Velocity can be writtern as,

EV(m/s) = I(amps) / ( n(1/m3) * q(coloumb) * A(m3) )

Here,

EV(m/s) = Electron Velocity in meter per second

I(amps) = Current in amps

n(1/m3) = Free Charge Density in one per metre cube

q(coloumb) = Charge (-1.60*10-19 C) in coloumb

A(m3) = cross-sectional area A(m3) in meter cube

### Calculation of Electron Velocity:

1)Determine the Electron Velocity and given for Current = 25amps , Free Charge Density = 5 *1028 1/m3 , Charge = -1.60*10-19 C , cross-sectional area = 5m2.

EV = I / ( n * q * A )

EV = 25 / ( 5 *1028 * -1.60*10-19 * 5 )

EV = -6.25e-10.

2)Determine the cross-sectional area and given for Current = 25amps , Free Charge Density = 5 *1028 1/m3 , Charge = -1.60*10-19 C , Electron Velocity = -6.25e-10.