BRAINCAKEElectric Potential
The electric field surrounding point charges are radial and is equal to kQ/r2 at a distance r from Q.
The electric potential near a point charge is V = kQ/r.
The electric potential V at a point is the work done per unit charge in bringing a small positive test charge from infinity to that point. It is measured in volts (1 V = 1 J C-1). For a point charge Q at a distance r:
Sign in free to see the rest of this lesson, the R.E.C.I.P.E. recall steps and the quiz
BrainCake is free. Make an account in seconds and pick up where this page stops.
More in Electric Fields
- Van de Graaf generator
- Electric Potential
- Equipotentials
- Potential gradient
- The Force between Two Charged Objects
- Coulombs Law
- Point Charges
- Electric Field Strength
All 17 lessons in Electric Fields · All Edexcel A-level Physics topics