Physics · A-Level · AQA · AQA A-level Physics (7408) · Specification point · 3.7.3.1 · Fields and their consequences (A-level only) · Electric fields (A-level only)
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3.7.3.1 Coulomb's law (A-level only)
| Content | Opportunities for skills development |
|---|---|
Force between point charges in a vacuum: |
Permittivity of free space, ε₀
Appreciation that air can be treated as a vacuum when calculating force between charges.
For a charged sphere, charge may be considered to be at the centre.
Comparison of magnitude of gravitational and electrostatic forces between subatomic particles.
MS 0.3, 2.3 Students can estimate the magnitude of the electrostatic force between various charge configurations. |