3.40 - Multipole terms for different patterns of charge along a line
3.41 - Average field inside a sphere with given dipole moment
4.8 - Interaction energy between two dipoles
4.9 - Force between dipole and point charge
4.11 - Bar electret
4.17 - Sketch P,E and D for the bar electret
4.13- Fields inside and outside a long dielectric cylinder

Bonus question

B8.1 - Derive the Langevin-Debye result for the polarizability of a molecule, a = a_induced + p₀²/3kT, specifiying the conditions for validity.  Show that it is typically valid at room temperature for achievable electric fields.

Examples class week 9

4.10 - Find the bound charges and field for a spherically polarized sphere
4.15 - Find bound charge, P, E and D for a spherical shell with frozen-in polarization
3.38 - Multipole expansion for a uniform finite line charge