⚡ Electrostatics Lab

Tools

Select mode: drag charges. Add mode: click canvas to place. Probe mode: click to measure E and V. Gauss mode: click/drag Gaussian surface.

Show Surface

Radius Rect Width Rect Height

Run

Show Equipotential

Show Field Arrows

Show Field Lines

Show Force Vectors

Coulomb Strength Time Scale Damping Field Density

Running

Click with Probe tool to measure field.

Enable surface to see enclosed charge and flux estimate.

No selection

Charge q (arb) Mass m

Fixed

Charges: 0

$\vec{E}(\vec{r}) = k\sum_i q_i\dfrac{\vec{r}-\vec{r_i}}{|\vec{r}-\vec{r_i}|^3}$

$V(\vec{r}) = k\sum_i \dfrac{q_i}{|\vec{r}-\vec{r_i}|}$

$\vec{F}_{ij}=k\dfrac{q_i q_j}{r^2}\hat{r}$