Classical electrodynamics by j d jacksom (answers to sel problems)

q
q
q
a
b
1
2
3
4
a
distance from the origin
0
electric field strength
homogeneously charged
inhomogeneously charged: n=2
inhomogeneously charged: n=−2
conductor
-
λ
0
d
a
a
1
2

P
λ
|
| |
q
Plate 1
Plate 2
φ
1
φ
2
x
0
0
d
S2
S1
S3
S4
|
|
ψ
2
ψ
1
Plate 1
Plate 2
0
d

S2
S1
S3
S4
q
q’y y’
θ
a
0
P
x
’
z
a
V
z
x
P
q
φ
r
θ
q’
y
z
r

^
z
E
0
a
E
0
cavity
E
E E
E
ind ind
extext
E
E
0
0
V
0
0
a
z
r
P
θ
D
0
a
q

q’
z
-q’
r
P
θ
R
-q
b
V
0
P
τ τ-
r
r
r
2
1
φ
R
1
2 3
4 5
6
-3
-2.5
-2
-1.5
-1

-0.5
φ(rad)
τ/2πb( )σ
R/b=2
R/b=4
V
1
b
P
r
V
2
φ