Electricity & Magnetism
Electric Potential
Electric potential energy per unit charge.
Variables
VV
Electric potential
Potential at point
kN·m²/C²
Coulomb constant
8.99×10⁹
QC
Source charge
Field-creating charge
rm
Distance
From source
Derivation
V = U/q = -∫E·dr. For point charge: V = kQ/r.
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