Electric Dipole Moment (p = qd)

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p = qd

What each symbol means

SymbolWhat it stands for
dSeparation vector from −q to +q (m)
pElectric dipole moment (C·m)
qMagnitude of either charge (C)

When to use this

Direction from negative to positive charge. Used in molecular physics (HCl, H₂O). SI unit: C·m. Debye = 3.33×10⁻³⁰ C·m.