Coulomb force
5.993e-1 N
Repulsive
← Topic 18
Electric-field toolkit
Calculate magnitudes here, then determine physical direction from charge signs and geometry.
Parallel-plate field
3.000e+4 V m⁻¹
Particle acceleration
2.874e+12 m s⁻²
Potential-energy change
ΔEₚ = qΔV
9.600e-17 J
Field work has the opposite sign.