GAUSSIAN SURFACE
EQUIPOTENTIAL SURFACE
★ For a single point charge these two surfaces coincide exactly
View Mode
Gaussian
Surface
Equipotential
Surface
Show
Both
Charge Configuration
-- choose a preset --
Single point charge
2 same-sign charges
Ring of 4 charges
Ring of 6 charges
Line of 3 (y-axis)
Line of 5 (y-axis)
Line of 5 (x-axis)
Line of 5 (diagonal)
3x3 grid plane
4x4 grid plane
5x5 grid plane
Electric dipole (+q, -q)
Dipole along y-axis
Linear quadrupole
Square quadrupole
Spacing (d)
1.0 m
Apply Preset
Add Individual Charge
+q
|q|
5.0 uC
Y-level
0.0
x
y
z
Add
Or click directly on the 3D grid to place a charge
Charges (
0
)
Clear All
No charges yet — add one above.
Gaussian Surface (Blue)
Auto
Sphere
Cylinder
Pillbox
Radius (r)
2.0 m
Radius
1.5 m
Height
4.0 m
Width
4.0 m
Thick
1.0 m
Equipotential Surface (Gold)
Surface size
2.0 m
Shape is set by physics, not by you.
▶ Compute Surfaces