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Electricity & Magnetism · electrostatics

Coulomb's Law

Gives the magnitude of electrostatic force between two point charges.

F = kq₁q₂ / r²

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Variables

F
electric forceN
k
Coulomb constantN·m²/C²
q₁, q₂
chargesC
r
separationm

Conditions / notes

Applies to point charges in the stated medium.

Reference details

Subject
Electricity & Magnetism
Topic
electrostatics
Plain text
F = k q1 q2 / r^2

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