3.39. E -----17E;. + E,23 — 43,8Pors yi+ 3 cost 0 , where E,. is the
radial component of the vector E, and Ee is its component perpendicular to Er.
p 3 cos2 0-1 ,
p 3 sin 0 cos 0
3.40. E z — 43 so
.3
' . 1-' 1 -
7
4neo
6
g
cos
±p at the points located on the lateral surface of a cone whose axis
is directed along the z axis and whose semi-vertex angle 0 is found
(a)
(b)
Fig. 16.
from the relation cos 0 = 111/ 3 (01 = 54.7°, 02 = 123.5°). At these
T
points E = E1 — PV
4ngor3 .
v3.41. R =
4neoEo.
kl
;a
3.42. cp c.-- .' ,
cos 0 E ;--- .., -• n
qt
x
'
L leor_ 2 '
2nsor
3.43. cp ,---
4n ql eo R2 —2x2
4nso (R2+,2)3/2 '
x —
Where
(R24-x2)5 /2
'
Fig. 17.
Fig. 18.
Ex is the projection of the vector E on the x axis. The functions tions are plotted in Fig. 17. If I x I
•
4n8
q
0
R, then
and
—
Ex ;z- -: 2n80x3 .
ai
01R2
3.44. cp =
Ex=
a
See Fig. 18.
ao X2+ R2
o (x2 H-R2)3/2
radial component of the vector E, and Ee is its component perpendicular to Er.
p 3 cos2 0-1 ,
p 3 sin 0 cos 0
3.40. E z — 43 so
.3
' . 1-' 1 -
7
4neo
6
g
cos
±p at the points located on the lateral surface of a cone whose axis
is directed along the z axis and whose semi-vertex angle 0 is found
(a)
(b)
Fig. 16.
from the relation cos 0 = 111/ 3 (01 = 54.7°, 02 = 123.5°). At these
T
points E = E1 — PV
4ngor3 .
v3.41. R =
4neoEo.
kl
;a
3.42. cp c.-- .' ,
cos 0 E ;--- .., -• n
qt
x
'
L leor_ 2 '
2nsor
3.43. cp ,---
4n ql eo R2 —2x2
4nso (R2+,2)3/2 '
x —
Where
(R24-x2)5 /2
'
Fig. 17.
Fig. 18.
Ex is the projection of the vector E on the x axis. The functions tions are plotted in Fig. 17. If I x I
•
4n8
q
0
R, then
and
—
Ex ;z- -: 2n80x3 .
ai
01R2
3.44. cp =
Ex=
a
See Fig. 18.
ao X2+ R2
o (x2 H-R2)3/2