e lectgost4ttrc ftetd seestaff.kku.ac.th/~nantakan/192205 em fields/lecture2-1.pdf · f =...
TRANSCRIPT
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F= k&r@zp>
*rt_vC go= g.gr+t tJ ' ' " , i? t /^v6tt_
( pe'rm,^11-,tni4 o# free 5foce)
5
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.&t z.
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fr{n c,if e. a€ swpu/po€ihto w
:
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F lec{rfc Fi e(4 Tnrenyfi
( El<-ct-ie fiot{ 9fren6+t*7
el J . l{aT
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al '
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v6L
t \aAlI \-v. ,
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E
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\F
r+Wvn
9o, -5
Z= -s,a.p
ffirrrr'3.aachar3e
c/-'
C L" 0,. "J.
ele,ne.'nt d CI' 4 totc"/ che"Xe &
'it*' f{$rj'rrrt
dc. = p,dl ----zF= f p"oo
da- : p, ds +trt f r, ass
dg : fvd,V
r t@v *rE-. PL
r@+vg. (z
f L6E"/ FlrLo k'
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Apdy {4{- fsrrntllas {- some. speciG'c-
"tfs{ri bwbt'o
G) Line char;q-\-=r- v -
(ororz)
(orar/1
d&=
0=
dEr.
?Tg
ft-Z1
t7*
I ,5
d!. = f rdz
/
f rd 'z
.J
-ct'P- = E =- Re tEta
Pi, + cz*y'
f pt* c z- 15'73/ '
Por * Cz
oY s f *+ (3-:1 i:
f= ;irt= ,.'+ yl+cz -Jr'
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)qz
AE- /=\
-z )Qz d:
L P'+/,z- z' )2121'
L+.t !)
lere xr Yrz)
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loirl o{ frle rr.rf'
.t .l4r3 t
Fff i rJr,
R 3 (rr l r : ) - (orort t
- . laf3 rr' + tat o (z'z )r3
PtCnF- J
G f '+(?-Jt '
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A= reLP +
P@Se{
(z- / l 'L" t
= Psecc4;
/
td.z =
OT ̂ ffa" "c
*PSeeZa d ou
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-s -L+lTLb
= -L€ttfo p
I
5ot .t
oL
t-t
tt
Fov di^ iJ< ,9t -< :A""I,L
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a
III
?
o(l = -fl-
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Pl te/a
2.
L Cos &af T Sr 'n* i . ) A"L
(oror-q {*
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ae:- F
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F = pl 'aal t hal
rit = ( ft r h?l t/' '
d& a Psds= PQ^ear)
de?
CI,
:\de
J
dE=
tEf = O
J- le h.a.S
p, pd 6d7 L-f ir * hel4fi-Lo L r'* 6z-1zlz
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ohlT 2- - cow?o^..* )r
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P' i +22o
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.Vo Iv rne *"6?d,E
z-d, Ez
oLPb,aJ dv al, ( Y>9t +'t
f\t
4f P ( 0, o,z)
dg, = pndn
e"=
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3g3
4lrto P-
lefv
P, &v fo tr (,osaf: + ri"e i,
l
E r- 2 G7 = o t sy mme.*7 o€ +h"e- c-L....ary &isfuih,*rbu^)
. \sE. a,z
C
J d,Ecos
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* otu =
Ag ply f"3 {,fn e @sir,s rule
(
Y'2gln{ ar 'de'abl-
5
I
Cos 0 ='+ ,^"- Rt
22 rr
, '+ R2'r t2
zz?
tz - 2zrtgs5gt
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sinl'd e
z +"t
'L*-
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zz+
?.z+
Cos "{ =
h (*"') ) Rd R.
ZY
ztf
Ez = pv t df,J
4tr9" Q, = o
= P" LIft
t
t tTCoz-
f r f-- .'
4tfLo z'
P"r._
*[ toz
utz RARr r
_rT= Z-Y
/ 7 .L- v '2f t r = IL' gz J
E* r '! l r r 4
( z ' - Y' ' ) | ,"__-- ) Z_f
R
tJ^1;L" 22
dr' =l* t -i^ {zzR_ RLJ
&
I
a.
tJr t =o
z+(
I iK= 7-Y
q,
Crl\ 4rdv =
>to
q,
tJ/=o
d,Ld r l
N
lFJo
dr
( r ) \Iraf v )
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O- Vr',i{e6ryt Pt
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t l
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r ir,gJ
C fr"
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v
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5Q.z-
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dT
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k
a"dbI
A
&(-ae
.sle l
JPR
J
g=le l3
r -5
) + l \a"z
= Caz+ h")1"
sr.>-Aa, * haz
.\tap
-5
3R2
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t ai gra , 312
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sc-
2n-
tf=o
@ od+Loto 6z3rrz
Pt
lfirg-o
0y sfmtn.,try dEf = o I
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dJs"metri caWy oPp"si#e f+.
J
E = ft.5
a"h az
z(n\d+
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'
*k
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=O ; h= ?
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d le l _-
^h
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zra tt nl o"J'/"c,> - Zcn zh th"+o', t/a
[$nt + ae1 3
17 ) . t 2-rh+a.-zh J :
la Azn = \,,
t h1+ az1ttz t2
Ar-
o
ra= p-a-h az
zLoth"+ t J "t
* Vr,h=+
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c) rs 4-l*
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&"7
e-4
04 {4.{
o"
#"J.s€Qs
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= p, zrrtu
9oldO. = Pt d!
nne = Jp.a-t .
t_ zlf_
= P" [a"A*
l '
2
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6rc"n (o.,) d :\Qz
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5
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e4rrz-oh'
o-+IfLb V
lrs q+o
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JQz-sF
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anA qq nC/m7,
1 ca\-Yvy oL\q?l-s 1o ^c/t^-
Z=L Cawies &ord^ 4otl ^Qu .
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re ccn2ro
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t t= I 's ,E
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in
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Tr
.\-/ to fri\r.
a\./\.-l'J'
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t-L -
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C"rstrron ptaa ex
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Y= |T
PCr)_r)
5tl
:
Eg=Aa"PPt.
zTTtof
->p= +-34'z {-
-.\lp l
Jf=
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lP I
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Jro
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f=..>
ot'P =
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ITo
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. - \ r r
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