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Dipole — Axial vs Equatorial

Key Concepts — Dipole — Axial vs Equatorial

01

Axial point: E_ax = 2kp/r³, parallel to p⃗.

02

Equatorial point: E_eq = kp/r³, antiparallel to p⃗.

03

Both fall as 1/r³ for short dipole — much faster than point charge's 1/r².