1
1
© TS. Lng Hu Tun


 

 





      



   


 !
!!
! "


 #
##
# $ %
2
© TS. Lng Hu Tun


 #
##
#

 

 

 $
$$
$ %
%%
%
&
&&
&

 

 


&
&&
&$
$$
$ '
''
' 

 

 "()'
"()'"()'
"()'
!&
!&!&
!&

 

 

 $
$$
$ %
%%
% *
**
* +
++
+
#&
#&#&
#&,+
,+,+
,+ 

 

 -
--
- 

 ./
././
./
0&
0&0&
0&,.
,.,.
,. 1*
1*1*
1* +
++
+ 

 +%
+%+%
+% '1
'1'1
'1 


2&
2&2&
2&,.
,.,.
,. 1*
1*1*
1* +
++
+ 3
33
3 "4
"4"4
"4 +$
+$+$
+$
5&
5&5&
5&6
66
6 78
7878
78 

9
99
9 78
7878
78 

 ..
....
..
CuuDuongThanCong.com https://fb.com/tailieudientucntt
2
3
© TS. Lng Hu Tun


 #
##
#

 

 

 $
$$
$ %
%%
%
&
&&
&

 

 


&&   $ %
&&:   $
4
© TS. Lng Hu Tun
&&
&&&&
&&

 

 

 $
$$
$ %
%%
%
:   1 +; + 9+%   
1 2
,
D
t t S
t
rotH J H H J
= + =
1 2
, 0
B
t t
t
rotE E E
= =
1 2
,n n
divD D D
= =
1 2
0, 0
n n
divB B B
= =
1 2
,n n
t t
divJ J J
ρ
σ
= =
D E
ε
=
B H
µ
=
J E
γ
=
< $ .+ 1v
µε
=
"+ +% .$  
P E H
= ×
CuuDuongThanCong.com https://fb.com/tailieudientucntt
3
5
© TS. Lng Hu Tun
&&
&&&&
&&:
::
:  
  
  $
$$
$
$ 3
0 ( )
divB IV
=
( ) 0 ( )
div rotA gtvt
=
B rotA
=
$ 3+%  3
( & )
B A
t t t
rotE rotA rot II hvtt
= = =
( ) 0
A
t
rot E
+ =
A
t
E grad
ϕ
+ =
+ '8
B rotA
=
A
t
E grad
ϕ
=
  +   =  * 9 8
( ) 0 ( )
rot grad gtvt
ϕ
=
6
© TS. Lng Hu Tun


 #
##
#

 

 

 $
$$
$ %
%%
%
&
&&
&

 

 


&
&&
&$
$$
$ '
''
' 

 

 "()'
"()'"()'
"()'
ε>+.µ>+.
&&6  "()'
  "()' +$ 3
  "()' +$ 3 ϕ
+ '8
&&$ 
&!&6  .+
A
CuuDuongThanCong.com https://fb.com/tailieudientucntt
4
7
© TS. Lng Hu Tun
6
66
6 

 "()'
"()'"()'
"()' 3
33
3 $
$$
$ 3
33
3
* 9 ?+@
( )
D
t
rotH J I
= +
( ) ( )
A
t t
rot rotA J grad
µ µε ϕ
= +
2
2
( ) ( ) ( , )
A
tt
grad divA A J grad gtvt hvtt
ϕ
µ µε µε
=
0
t
divA
ϕ
µε
+ =
2
2
A
t
A J
µε µ
=
6  "()' +$ 3
A
E
t
rotB J
µ µε
= +
A $B
2
2
( ) A
tt
A grad divA J
ϕ
µε µε µ
+ =
8
© TS. Lng Hu Tun
6
66
6 

 "()'
"()'"()'
"()' 3
33
3 $
$$
$ 3+%
3+%3+%
3+% 


( )
divD III
ρ
=
( , )
t
divA gtvt hvtt
ρ ε ϕ ε
=
0 ( )
t
divA Lorentz
ϕ
µε
+ =
2
2
t
ϕ
ϕ µε ρ ε
=
6  "()' +$ 3 ϕ
( )
A
t
divE div grad
ρ ε ε ϕ
= =
A $B
2
2
2
t
ϕ
ρ ε ϕ µε
= +
CuuDuongThanCong.com https://fb.com/tailieudientucntt
5
9
© TS. Lng Hu Tun
+
++
+ '8
'8'8
'8
2
2 2
1
v t
ϕ
ϕ ρ ε
=
2
2 2
1A
v t
A J
µ
=
1 :
v
µε
=3 +$ 1* .+
10
© TS. Lng Hu Tun
&&
&&&&
&&$
$$
$ 


( )
( ) 4V
J t r v dV
A t r
µ
π
=
1 +;  C+*D9+%   1 ' 
$ ; 9+ .
1 ( )
( ) 4V
t r v dV
tr
ρ
ϕπε
=
CuuDuongThanCong.com https://fb.com/tailieudientucntt