BRAINCAKECoulombs Law
Coulombs law states that the force between two point charges is proportional to the product of their charges and inversely proportional to the square of the distance between them.
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Key terms in this lesson
- permittivity of free space
- A constant, given the symbol epsilon-nought, that relates electric field strength to charge in a vacuum.
- point charge
- A hypothetical charged object of negligible size, whose electric field is radial.
More in Electric Fields
- Van de Graaf generator
- Electric Potential
- Equipotentials
- Potential gradient
- The Force between Two Charged Objects
- Point Charges
- Electric Field Strength
- Electric Potential
All 17 lessons in Electric Fields · All OCR A-level Physics topics