Electric field

System

Click a charge to edit it. Double-click empty space to add a new one.

View

Field lines

Density

Background

Equipotential lines

Every ΔV

Field vectors Grid Snap to grid Probe (drag the crosshair)

Test charge

Particle

Rate

In launch mode drag across the board - the arrow is the initial velocity (distance covered in 1 s of animation). The charges stay fixed, the particle flies through their field.

Drag a charge - position · double-click - new charge (on a charge: flip sign) · drag the board - pan · wheel - zoom · Del - delete · F - sign · +/− - value · space - pause particles · H - panel