Calculate too:
Energy flow

Electric conduction

Thermionic emission. Richardson equation

A/m²

A/(m²·K²)

		x
A/(m²·K²)

T	K

k	J/K
1.381E-23

1. Define values of all variables, besides sought quantity
2. Change units if necessary
3. Click "Calculate"

		variables: j - density of electron current emitted by hot cathode B - Richardson constant T - temperature of cathode A - work function of cathode material k - Boltzmann constant