๐Ÿงฒap physics 2 review

Coulomb's Constant

Written by the Fiveable Content Team โ€ข Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examโ€ขWritten by the Fiveable Content Team โ€ข Last updated September 2025

Definition

Coulomb's constant, denoted by k, is a proportionality constant that appears in Coulomb's law. It relates the magnitude of electrostatic force between two charged objects to their charges and the distance between them.