BÀI 16 ĐỊNH LUẬT JUN-LEN XƠ

  ĐỊ Ậ Ơ
 !"
#$%&'! '!"
(% '!) !"
*#$%&'! '
!"

!+%,%$*!-*'$'#.!/01*1,!12'$'#.!/
01 *1 !% #$ %& 3% ' !)   !" '!
 ' !" 4! 3% ' !) '! !" 5 !-
,!-6

(% '!) !"*#$%&'! '
!"4!3% '!)'!!"5!-,!-6
%-0!7/'%-*21/81!2*%3!-*9

#+%,%$*!-*'$'#.!/01*1,!12'$'#.!/
01 *1 !% #$ %& 3% ' !)   !" '!
 '!"4!3% '!)'!*!"6

(% '!) !"*#$%&'! '
!"4!3% '!)'!*!"
(!-/#3-*23!-/:%!281!' 9

  ĐỊ Ậ Ơ
 !"#$
%&'! '!"
(% '!) !"
*#$%&'! '
!"

;%! #%    !"
*#$%&'! '
!"

%,%$*!-*'$'#.!/01*1,!12'$'#.!/
01*1!%#$%&'%!#%  !"'! '
!"

%!#%  !"*#$%&'! '
!"
< (!-/'!=3-*%-2%)*3 2#!1> 2
ấm điện9
<% ! *?*1>!*!-*01*1!/5!3% '0!7/
0!@#!A:3:75%!B*C%,'!'!
!D/,%,!- '>,1!$'*1>!*!-*0!7/0!@:3
!/4-*!-*0!7/0!@#!A%)6

  ĐỊ Ậ Ơ
 !"
#$%&'! '!"
EF.51! '1G
1. Hệ thức đònh luật :
2. Xử lí kết quả của thí
nghiệm kiểm tra:
HI
;
J'
*% 0% K+
J '>KΩ+
''!K,+

H '5K+

45 15
30
60
A
V
K
5
10
20
25
40
35
50
55
I = 2,4A ; R = 5Ω
2. Xử lí kết quả của thí nghiệm kiểm tra:

CLF !"*1>!0% *!/81!0!7/ 
'>L
I
;
J'IK;2M+
;
NOPPIQMPK+
C; '5H

0%-*! *
H


I*

3

∆'
P
IM;PPP2;R2NISRQPK+
 '5H
;
0%#T%73! *
H
;
I*
;
3
;
∆'
P
IQQPP2PSQR2NIN;2K+
 '5H0%*!>#T4!-*! *
HIH

<H
;
ISRQP<N;2IQO;2K+
!'!$/≈H
$1'?*!>!)%> '5'1/)!3%7
'G181!'TA = Q

  ĐỊ Ậ Ơ
 !"
#$%&'! '!"
EF.51! '1G
1. Hệ thức đònh luật :
2. Xử lí kết quả của thí
nghiệm kiểm tra:
3. Phát biểu đònh luật:
HI
;
J'
 '5'%!>!>0!7/0!@
:*%-0% *!/81!'U
5  '1!  4- #T 
*% 0% 24- 
'>*1>!0!7/0!@4!'!
0% *!/81!
$1% '5H
#!A4.*!5%'T 
'-**1>!.51! '1
G
HIP2;M
;
J'
1J= 0,24cal
1cal= 4,2J

  ĐỊ Ậ Ơ
 !"
#$%&'! '!"

EF.51! '1G
1. Hệ thức đònh luật :
2. Xử lí kết quả của thí
nghiệm kiểm tra:
3. Phát biểu đònh luật:
HI
;
J'
 '5'%!>!>0!7/0!@
:*%-0% *!/81!'U
5  '1!  4- #T 
*% 0% 24- 
'>*1>!0!7/0!@4!'!
0% *!/81!

VWXY(

F%$4-*!-*'$'#.%$'%-#!5!2#$ 2
!$3  9 '%!>  ' 5! *%- ?*2  3% ' ,%$ '$' #.
 % * 4!*!-*'$'#. '>!
01'%!> '5!4%7?*

F&'$': 3 !"*!)!>3,'%!> '!%
?%-#!A*!-*!>3 '>% 2,>010!7/0!@
*%- '>%>IZ'$': 3*!"5

  ĐỊ Ậ Ơ
 !"
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EF.51! '1G

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