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Ch6 ????

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Title: Author: Huang Last modified by: Huang Created Date: 11/10/2004 1:13:52 AM Document presentation format: Company – PowerPoint PPT presentation

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Title: Ch6 ????


1
Ch6 ????
6-1 ???? 6-2 ?????????? 6-3 ??? 6-4 ???
6-5 ??? 6-6 ???
2
6-1 ????
1830???????????????????,??????????????,???????????
??????????????????,???????????????????????????????
????????????????
3
1831?,??????????? A ? B ????,A????????,B
?????????,?????,? A ?????????????,B ??????????
????????
4
?? 9 ?,?????????????????????????,??????????,??????
??????????????,??????????????
5
??? ???????????????
6
??? ???????????????
??? A ??? S ??????? IA ???,????????? B ???????
IB,??????????
7
??? ???????????????????
8
??? ????????????????
9
??? ?????????????
10
???
???????????????,????????,?????????????????????????
???????,????????? ???????????,,??????????,??????F
B ??
???????????????????
??(1) ?? Wb ( T m2 ) (2) ???? (
G cm2 )
11
???????,??????? 2 ???,???? x ???,?? (1)?? abcd
?????? (2)?? befc ?????? (3)?? aefd ??????
12
6-2 ??????????
  1. ?????
  • 1845???????????????????,?? ?????????
  • 1855?????????????????????????????,??????????????

????????????e,????????FB ??? t ????? ????????????
?,??????,??????????????
13
  1. ????????
  • ???????????????????,????????????????????
  • ?????????????,N ????????????
  • ??????????????,?????????????,???????????????
  • ??????????????,??????????????????

14
?????? (1)???????????(2)??????????
??(1) c,d
(2) c
15
  1. ????

?????????,1833?????????? ?????????????????,?????
???????????????????? 1847?????????????????????????
??
16
????????????????,????????,???????????????????????
?????
(B)
(C)
(A)
(D)
(E)
??(C)
17
????????????????,?????????????????????????????,??
???????,??????????
69.?? (A)???? (B)???? (C)???????? (D)????
???????? N ????????,??????????????????,??????????
???????,?????????
??(B)
18
??????? d ??????,????? R??????????????,??????????
?????? B(t)?????????,???????,??????? B(t) ct,??
c ?????? (1)???????????? 85.??
(2)???????????? (3)???? t ??????????
(2) ?
19
??????????????????? A ?????,???????????????(???),
?????????? (A)???????????,????????????
(B)??????????????,????????? (C)???????????,??????
?? (D)??????????????,?????????? (E)???? A ??? B
???????
A
B
(h ? A,B ????) 79.??
??(B)(C)(D)(E)
20
???????????????????,(a gt 0),t ???,????????? (A)??
???? (B)??????????? (C)???????? (D)??????????????
67.??
??(B)(C)
21
????????????
?????,???? L ?????,?????? B ?,??? v
???????,????????????
22
(No Transcript)
23
??????????
????,???????????,??????????????????
?????,??????????????,????????
24
??????? AC ? v ?????????? DEFG ?????,???????
B(???)??? ACEFA ??EF??? R,???? AC
???????????,??????????? v ????? (A)?? AC
???? (B)??????? AC ?? (C)?? R ???????? (D)??
ACEFA ???????? (E)?? ACEFA ????????
??ABCE
25
???????????,???????????????????????(?????)????
ab ???? i(? a ? b ??)?????????????????
(C)
(B)
(A)
(E)
(D)
??(B)
26
???????? U ???,??????????,???? l,?? m,??
R???????,???????????B,??????,???????????? v
???????, (a)????????????? (b)????????????? (c)???
??????????? ????
84.??
27
R
?????,??????????????,????? B? ??? R????? l ?
w,?????????????
28
???????10 - 2 ???,???????????20?/????? 30o
?????,??????1?????? 30o ???????????????e?________,
???________?
????
29
????????? m??? R?? l,???????? ? ???????,???? l
???????,???????????????,??????????????
30
?????????
??? L ????,????? B ?,?????,??????????,???? ?
???????,?????,??????????????
31
??? 10- 2 ???????? B ?,??????1??????,????????????
????A ????????,? B ?????????????????,??A ??B
?,????????????
?B 0?
32
???????? B ?,???? 3l/2?????POQ,? O
???,?????,????????? OP l, OQ l/2,? (A) OP
???????? l2?B/2 (B) OQ ???????? l2?B /8 (C) QP
???????? 5 l2?B /8 (D) QP ???????? 3 l2?B /8 (E)?
OQ ??? l,OP?? l,?QP? ??????? l2?B ?
76.??
P
O
Q
??(A)(B)(D)
33
6-3 ???
????????,?????????????????
???? ?????????????
????????????????,???????? ??????????????,???????
?????????????,???????????
34
???? N ????(??)?????? A,????? B ?,??????????????
t,????????????????,???t?
?????????
35
????????????????????
36
????????,?????? 0.03 ????,??? 2 ?,???? 600
??????? 0.2 ???????????,????????????__________???

83.??
37
????????? 0.4m ??? 50,? 200Hz ??? 0.25 tesla
????????,?????,? (1)?????????? (2)????????????????
?
38
6-4 ???
????????????,???????????????????????????????,?????
?
??? N ???????,????????????????,?? (?)???
???????????????,??????????????,???????????,??(?)??
?
?(?)
?(?)
39
??????
???????????,??????????????????,??????????,????????
,???????????????????
40
??? ??????????????????????,????????????,??????????
????????????????????
?? ???????????????????????????,??????????????????,
???????,??????????
41
6-5 ???
?????? ????????? ????????? ??????????????,????
?????????????
??????????,???????????????????,??????????,????????
???????
42
? n1?n2 ??????????????e1?e2?????????????????????,?
????????????????????
?????????????,??????????,?
43
????????,???????????? N1 ? N2?? N1 gt
N2,??????????? (A)???????????????? (B)????????????
?????? (C)??????????????????? (D)???????????? i
?,????????? ? N2 i/N1 (E)????????????e?,???
?????? ? N2e/N1?
85.??
??(E)
44
6-6 ???
  1. ???????,??????????,????????,???,??????????????
  2. 1865???????????????????????,????????,?????????????
    ??
  3. ??,?????????????????????????????,????????,????????
    ????,?????????????????
  4. 1888???????????????
  5. 1901????????????????,????????????

45
??????
  • ????????????,?????????
  • ?????????????,?????????????,????????,???????????
  • ???????????????
  • ?????,???????????,???????????????

46
?????????????????
47
????
48
????????????????,??????????????,????????????
????
???????????? (A) x?? (B) ß?? (C)????
(D)??? (E)??? (F) ??? (G) a?? (H)?? (I)???
(J)??? (K)??? (L)???
??ADFHIJK
49
?????????????? (A)????????????? (B)?????????????
(C)???????????? (D)???????????? (E)??????????????
(F)????? (G)?????? (H)???(????)(I)????? (J)??
(K)?????????? (L)?????? (M)?????? (N)??????
??ACDEFHIJKLMN
50
THE END
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