BRAINCAKEPotential gradient
The potential gradient at a point in an electric field is the change of potential per unit change of distance in a given direction.
In a non-uniform field, the closer the equipotentials are, the greater the potential gradient.
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Key terms in this lesson
- equipotential
- A line or surface joining points of equal potential, along which no work is done moving a test mass or charge.
- 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
- Permittivity of free Space - ε0
- Van de Graaf generator
- Electric Potential
- Equipotentials
- The Force between Two Charged Objects
- Coulombs Law
- Point Charges
- Electric Field Strength
All 17 lessons in Electric Fields · All OCR A-level Physics topics