← Back to Physics Lab

Electric Field

Visualize electric field lines around point charges. Click on the canvas to place charges and see how they interact via Coulomb's Law.

Charge Magnitude5.0 μC

Charge SignPositive (+)

Field Lines per Charge12

Charges Placed0

Net Charge0 μC

Field at cursor— N/C

Potential at cursor— V

F = k·q₁·q₂ / r²

E = k·q / r²

V = k·q / r

k = 8.99 × 10⁹ N·m²/C²