The Point Charge node adds a point source to 3D components. The point charge represents an electric displacement field flowing out of the point.
Add a contribution as a Harmonic Perturbation by right-clicking the parent node or clicking
Harmonic Perturbation on the
Physics toolbar. For more information see
Harmonic Perturbation — Exclusive and Contributing Nodes.
Enter a value or expression to apply a Point charge QP (SI unit: C) to points. This source represents an electric displacement field flowing out of the point. The default is 0 C.