* '''Volume Currents''': For volume current sources you need to specify a current density in A/m<sup>2</sup>. You can draw all kinds of solid CAD object under this group. Note that current density is a vectorial quantity and has a magnitude and a unit direction vector.
* '''[[#Wire_Current_Sources | Wire Currents]]'''
* '''[[#Permanent_Magnets | Permanent Magnets]]'''
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