Charge Controls
Tip: field lines start on positive charges and end on negative ones; as charges approach, the lines bend and redistribute.
Field Line Diagram
Positive charge
Negative charge
Field line
Equipotential line
Electric Field in 3D Space
Distribution of field lines in 3D. Drag the handle at the bottom right to rotate the view; drag a charge to move it.
Positive charge
Negative charge
Field line
Test Charge Motion (Launched from Point M)
A single charge with initial velocity moves under the force of a constant field; velocity, force, and trajectory are shown in real time.
Velocity vector
Force vector
Trajectory
Field type
Tip: drag point M on the canvas to change the launch position
Speed: 0.00 (m/s)
Force: 0.00 (N)
Time: 0.00 s