The
Multipole
Expansion
un
seel
.com · Monopole + Dipole + Quadrupole · powers of 1/r
Leading term
monopole
Falloff
1/r
Field @ probe
1.00
state
standby
Positive charge
Negative charge
Field lines
Far-field probe
▶ Play
←
→
Unmute
Reset
Un
seel
.com · Multipole Expansion