How many boundary conditions (on the potential V) do you use to find V inside the spherical plastic shell?
1
2
3
4
It depends on V0(θ)
Announcements
Homework 8 has 2D relaxation problem
It is OK to post code on piazza and get help
Solution to HW7 problem 5 (1D relaxation) is linked (you may work from it)
DC out of town Monday; Norman Birge will cover
Two charges are positioned as shown to the left. The relative position vector between them is d. What is the value of of the dipole moment? ∑iqiri
+qd
−qd
Zero
None of these
Multipole Expansion
Multipole Expansion of the Power Spectrum of CMBR
How many boundary conditions (on the potential V) do you use to find V inside the spherical plastic shell?
1
2
3
4
It depends on V0(θ)
CORRECT ANSWER: B
Good for discussion; obviously you need the surface BC, but what about at r=0? Is that technically a BC?
