Electric Potential Energy of a Charge Pair
U = k_e·q1·q2 / r
What it says
The electric potential energy stored between two point charges depends on their product divided by their separation. The constant k_e is the Coulomb constant (8.99e9 N·m^2/C^2).
Symbols
| Symbol | Quantity | Dimension |
|---|---|---|
U | Potential energy (J) | M L^2 T^-2 |
q1 | First charge (C) | T I |
q2 | Second charge (C) | T I |
r | Separation distance (m) | L |
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Filed under Electromagnetism · derive through it in the explorer