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 at right angles to the equipotentials.
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Key terms in this lesson
- Equipotential
- A surface or line joining points of equal potential, along which no work is done in moving a test mass or charge.
- Electric field strength
- The electric force per unit charge acting 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 AQA A-level Physics topics