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Results tagged with dipole-moment
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user 82339
Dipole moment is the electrostatic moment generated by two opposite charges taken together, far away from the charge's locations
0
votes
Confused by validity of torque on a magnetic dipole
In think you're just thinking about the exterior multipole expansion for large distance $r$ compared with the loop size $r'$, which has terms looking like:
$$\big(\frac {r'}r\big)^l\sum_{m-l}^{m+l}Y_{ …
- 39.6k
3
votes
Why do we make a dipole a ideal dipole?
Because a non-ideal dipole has higher order moments. See: Multipole expansion.
Really, it's the same reason we use plane waves, which are a single frequency, but require infinite temporal and spatial …
- 39.6k
8
votes
Polarisation inside neutron
You are asking if the neutron can have an "induced neutron electric dipole moment" (quotes are for search terms): yes, it can. Whether is does is unknown.
Before addressing that, note that a permanen …
- 39.6k