Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
A Coulomb is the unit used to measure electrical charge. One coulomb is equivalent to the total charge on 6.242 x10^18 electrons.
Related terms
Ampere: Unit used to measure electric current; One Ampere is defined as one Coulomb per second.
Volt: Unit used to measure electrical potential difference; it's equal to the work done per unit charge against a static electric field to move the test charge between two points.
Electric Field Strength: Measure of intensity or strength at any point within an electric field generated by source charges.