Electric Fields & Charges | Physics Simulations

Positive Charge (+)

Negative Charge (−)

Test Charge

Charge Controls

New Charge Type

New Charge Strength 1.0

Test Charge +1.0

Show Field Arrows Show Field Lines Show Test Charge at Centre

Electric-field x0.00

Electric-field y0.00

Field Magnitude0.00

Force on Test Charge0.00

Charges Placed0

$$\mathbf{E} = \frac{1}{4\pi\varepsilon_0} \sum \frac{q_i}{r_i^2} \hat{\mathbf{r}}_i, \quad \mathbf{F} = q_{test}\mathbf{E}$$