# Electric Current Density Calculator

The electric current per unit area of cross section is known as the current density. It is denoted by the symbol J. Calculate the net current density based on the known values.

## Calculate the Net Electric Current Density based on Band Theory

The electric current per unit area of cross section is known as the current density. It is denoted by the symbol J. Calculate the net current density based on the known values.

Code to add this calci to your website

#### Formula:

j=((a*e)+(b*h))*(e*i)
**Where,**
j = Current density
a = Electron number densities
e = Hole mobilities
b = Hole number densities
h = Electron mobilities
e = Electronic charge
i = Applied electric field