free diagnosticupgrade

💡ap physics c: e&m review

Surface charge density

Written by the Fiveable Content Team • Last updated August 2025
Verified for the 2027 exam
Verified for the 2027 exam•Written by the Fiveable Content Team • Last updated August 2025

Definition

The amount of electric charge per unit area on a surface; the electric field in a parallel-plate capacitor is proportional to the surface charge density on the plates.

AP course connection

Topic 10.3: 10.3 Capacitors

Unit 10

Keep studying

Review this concept in 10.3 CapacitorsAP Physics C: E&M course hub

surface charge density cheat sheet for homework

visual study aid

"Surface charge density" also found in: