BRAINCAKEPermittivity of free Space - ε0
The electric field around an object is greater when the charge is more concentrated. The electric field strength E is proportional to the charge per unit area on the surface of a plate.
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Key terms in this lesson
- electric field
- A region of space in which a charged object experiences a force due to the presence of another charge.
- electric field strength
- The force per unit charge on a small, positive test charge placed at a point in an electric field.
More in Electric Fields
- Electric Fields
- Electric field strength
- Lightning Conductor
- Electric Field between Two Parallel Plates
- Van de Graaf generator
- Electric Potential
- Equipotentials
- Potential gradient
All 17 lessons in Electric Fields · All OCR A-level Physics topics