EngiRef / Formulas
Coulomb's Law
Force between two point charges
DC Circuits
Source Details
Id
elec-coulomb
Name
Coulomb's Law
Discipline
electrical
Category
DC Circuits
Latex
F = k_e \frac{q_1 q_2}{r^2}
Description
Force between two point charges
Variables
[
{
"symbol": "F",
"name": "Force",
"unit": "N",
"siUnit": "N"
},
{
"symbol": "kₑ",
"name": "Coulomb Constant",
"unit": "N·m²/C²",
"siUnit": "N·m²/C²"
},
{
"symbol": "q₁",
"name": "Charge 1",
"unit": "C",
"siUnit": "C"
},
{
"symbol": "q₂",
"name": "Charge 2",
"unit": "C",
"siUnit": "C"
},
{
"symbol": "r",
"name": "Distance",
"unit": "m",
"siUnit": "m"
}
]Solve For
F, q₁, q₂, r
Tags
coulomb, charge, force, electric
Is Custom
false