μú1?ú????ê±′úμ?·￠??
μú2?ú??ì????Dó|μ?á÷μ?2úéúì??t
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?aê?μ? ìao?
1.μ?′??§ê· 1
2.μ?′??Dó|???óμ?ì??? 6
3.′?í¨á?′óD??°±??ˉμ????? 4?￠8?￠12
4.2úéú?Dó|μ?á÷μ?ì??t 2?￠3?￠5?￠7?￠9?￠10?￠11

1?1ì?ù′?
1.(2012?ê°í?DêD???????té??§?ú?ú??)??áD???§?ò?D,·￠??á?μ?′??Dó|???óμ?ê?(??C??)
A.°??1ì? B.?￡?ù
C.·¨à-μú D.à?′?
?a??:1820?ê,μ¤?ó??àí?§?ò°??1ì?·￠??á?μ?á÷μ?′?D§ó|,1831?ê,ó￠1ú??àí?§?ò·¨à-μú·￠??á?μ?′??Dó|???ó,????C?yè·.
2.(2012?ê?aá?ê???±±ê|′ó???D???té??§?ú?ú??)1?óú2úéú?Dó|μ?á÷μ?ì??t,ò????μ·¨?D?yè·μ?ê?(??D??)
A.±?o?μ??·?ú′?3??D???ˉ,±?o?μ??·?D?íò??¨óD?Dó|μ?á÷2úéú
B.±?o?μ??·?ú′?3??D×??D??′??D?????ˉ,±?o?μ??·?Dò??¨óD?Dó|μ?á÷2úéú
C.′?1y±?o?μ??·μ?′?í¨á??aá?μ??2??,±?o?μ??·?Dò??¨??óD?Dó|μ?á÷2úéú
D.??òa′?1y±?o?μ?ì????·μ?′?í¨á?·￠éú±??ˉ,±?o?μ?ì????·?D?íóD?Dó|μ?á÷2úéú
?a??:2úéú?Dó|μ?á÷μ?ì??tóDá???:(1)±?o?μ??·;(2)′?1y±?o?μ??·μ?′?í¨á?·￠éúá?±??ˉ.1êD???yè·.
3.?eê???D???è|abcd?ú?è??′?3??D×?è?í??ùê?μ????ˉ,??è|?DóD?Dó|μ?á÷μ?ê?(??A??)

?a??:?ú????B?￠C?D,??è|?Dμ?′?í¨á?ê????aá?,2?2úéú?Dó|μ?á÷;????D?D′?í¨á?ê???×?′ó,±￡3?2?±?,2?·￠éú±??ˉ,ò2??óD?Dó|μ?á÷;????A?D,?ú??è|×a?ˉ1y3ì?D,′?í¨á?×??ü?úD?±??ˉ,2úéú?Dó|μ?á÷,1êA?yè·.

4.è?í??ùê?,??D????òabcd·????ú???????ú,′?3?·??òó?????·??ò3é|á??,ò??asin |á=4/5,???·???y?aS,′??Dó|???è?aB,?òí¨1y???òμ?′?í¨á??a(??B??)
A.BS B.4BS/5 C.3BS/5 D.3BS/4
?a??:?ú′?í¨á?1?ê?|μ=BS?D,Bó?S±?D?′1?±,è?Bó?S2?′1?±,?òSòa×a?ˉ?a′1?±óúBμ?óDD§???y,ò2?éò???B×a?ˉ?a′1?±óúSμ?′1?±·?á?,1ê|μ=BSsin |á=4BS/5.1êB?yè·.

5.è?í??ùê?,??è|abcd?ú′?3???óòABCD?D,??áD?????é??????è|?DóD?Dó|μ?á÷2úéú(??ACD??)
A.°???è|±?3é?2D?(?@@¤2?±?)
B.ê1??è|?ú′?3??D?ó?ù??ò?
C.ê1′?3??????ò??è?
D.ê1??è|ò?1yabμ??±???a?áDy×a
?a??:????A?D,??è|μ????y±??ˉ,′?í¨á?±??ˉ,1êA?yè·;????B?D,?T????è|?ú′?3??D?è?ù?1ê??ó?ù??ò?,′?í¨á???2?±?,1êB′í;????C?￠D?D,??è|?Dμ?′?í¨á?·￠éú±??ˉ,1êC?￠D?yè·.
6.?3í??§?úêμ?éêò??×?·¨à-μú·￠??μ?′??Dó|???óμ?êμ?é,????μ?á÷±í?￠??è|AoíB?￠D?μ?3??￠?a1?ó?μ???á??ó3éè?í??ùê?μ?êμ?é×°??.μ±???óí¨?￠???a?a1?ê±,μ?á÷±íμ?????????óD??×a,???-òòê?(??A??)

A.?a1?μ??????ó′í B.μ?á÷±íμ??y?o???ó′í
C.??è|Bμ??óí·3?￠4?ó·′ D.D?μ?3?μ??y?o???ó·′
?a??:±?êμ?éμ???μ?ê?ó?à′?D???ú?a1?í¨???2??,ò?????è|?Dμ?μ?á÷′óóDμ??T?ò′ó?Tμ?óDê?·??á?úáíò?????è|?D2úéú?Dó|μ?á÷μ??é??.í??D?ùê??a1?μ?á??ó2??ü????o?óDμ??′μ?μ??·?Dμ?á÷μ?í¨??,òò??í??D?ó·¨′?2?μ?êμ?é??μ?.?a1?ó|′?áa?úμ??′?ù?úμ?μ??·?D,1êBCD′í,A?yè·.

7.è?í??ùê?,?aê?ê±??D???è|????ó?′?3?′1?±,?òò?°??ú?è??′?3??ú,ò?°??ú?è??′?3?ía,è?òaê1??è|?D2úéú?Dó|μ?á÷,??áD·?·¨?éDDμ?ê?(??ABD??)
A.ò?ab?a?á×a?ˉ
B.ò?OO'?a?á×a?ˉ
C.ò?ad?a?á×a?ˉ(D?óú60??)
D.ò?bc?a?á×a?ˉ(D?óú60??)
?a??:ò?ab?￠OO'?a?á×a?ˉê±,′?í¨á????é·￠éú±??ˉ,2úéú?Dó|μ?á÷;ò?ad±??a?á×a?ˉê±,μ±×a1y???èD?óú60??ê±,bc±??ú′?3?ía,′?í¨á?2?·￠éú±??ˉ,??óD×a?ˉ???è3?1y60??ê±,′?í¨á?2?·￠éú±??ˉ,2??ü2úéú?Dó|μ?á÷;ò?bc±??a?á×a?ˉê±,3?1y60??ê±,??????è|??×a3?′?3?,′?í¨á?±??aá?,×?é??ùê?,????A?￠B?￠D?yè·,C′í.

8.±?3¤?a10 cmμ??y·?D???è|,1ì?¨?ú?è??′?3??D,′?3?·??òó???è|????μ??D???a|è=30??,è?í??ùê?,′??Dó|???è??ê±??μ?±??ˉ1??é?a:B=2+3t(T),?ó?úμú1 s?ú′?1y??è|μ?′?í¨á?μ?±??ˉá?|¤|μ.
?a??:t=0ê±?ìμ?′??Dó|???è:
B1=(2+3?á0) T=2 T
t=1 sê±?ìμ?′??Dó|???è:
B2=(2+3?á1) T=5 T
′?í¨á?μ?±??ˉá?:
|¤|μ=|μ2-|μ1=B2Ssin |è-B1Ssin |è=0.015 Wb.
′e°?:0.015 Wb
ìáéy?üá|

9.è?í??ùê?,?ú?è??′?3??Dμ?UD?μ?1ìé?,óDá??ùμè3¤μ???DDμ???aboícd,ò??àí?μ??ù?èv?è?ù?òóò???ˉ.?aê1ab?DóD?Dó|μ?á÷2úéú,???a1?Sà′?μ(??D??)
A.???aoí±?o????éò? B.ó|???a
C.???aoí±?o???2?DD D.ó|±?o?
?a??:ab?￠cd??ò??àí?μ??ù?èí??ò???ˉ,?à???2?1,?′abcd±?o????·μ????y2?±?,′?í¨á?2?±?,??óDμ±?a1?±?o?oó,113éabNM±?o????·μ?′?í¨á?·￠éú±??ˉ,ab?D2??ü2úéú?Dó|μ?á÷.1êA?￠B?￠C′í,D?yè·.

10.???°1?2ìμ?μ?ò??D′?ì???′??úN?￠Sá?????,?????§?òè′ò??±?ú?°?òê?·?′??ú??óDò???′???μ?′?μ￥??×ó.è?è·?¨′??ú′?μ￥??×ó,éè·¨è?′?μ￥??×óAí¨1yò?3?μ?2?á???3éμ???è|(è?í??ùê?),?ò??áD??óú??è|?Dμ??Dó|μ?á÷μ??D??,?yè·μ?ê?(??C??)
A.??óDA??è???è|μ?1y3ì?DóDμ?á÷
B.??óDAà??a??è|μ?1y3ì?DóDμ?á÷
C.Aà??a??è|oó,μ?á÷±￡3?2?±?
D.Aà??a??è|oó,μ?á÷??ê§
?a??:í¨1y′?μ￥??×óμ?1y3ì,′?1y3?μ???è|μ?′?í¨á?ê?±??ˉμ?,òò′???è|?DóD?Dó|μ?á÷,ó?òò?a3?μ?ì?2???o??üá?,?ùò?′?μ￥??×óà??aoó,μ?á÷2???ê§,????C?yè·.

11.è?í??ùê?,ò?óD?T·??§μ??è??′?3?,?í?è?ad,??ò?±?3¤?alμ??y·?D????òò??ù?èv?è?ùμ?í¨1y′?3???óò,è?d>l,?ò?ú???ò?D2úéú?Dó|μ?á÷μ?ê±???a?àéù?è?dl,μ±???òíêè??ú′?3??D???ˉê±,′?1y???òμ?′?í¨á?2?±??ˉ,2?2úéú?Dó|μ?á÷,2úéú?Dó|μ?á÷???ˉμ??àà??a2l,ê±???at1= ;è?d′e°?: ??
±?ìa·???1y3ì?DDè?÷è·á?μ?:(1)???òμ????ˉ1y3ì;(2)?Dó|μ?á÷μ?2úéúì??t.
12.?3μ?μ?μ?′??Dó|???èBμ?????·?á?Bx=0.18?á10-4 T,êú?±·?á?By=0.54?á10-4 T.?ó:
(1)μ?′?3?Bμ?′óD??°?üó?????·??òμ??D??|áμ??y?D?μ;
(2)?ú???????ú2.0 m2μ????yà?μ?′?3?μ?′?í¨á?|μ.
?a??:(1)?ù?Y??DD??±?D??¨?ò
B== ?á10-4 T
??5.7?á10-5 T.
Bó?????·??òμ??D??μ??y?D?μ?a
tan |á= =3.
(2)ìa?Dμ?′?3?ó???????2?′1?±,è???ó???????′1?±μ?By·?á?,1ê′?í¨á??a
|μ=By•S=0.54?á10-4?á2.0 Wb
=1.08?á10-4 Wb.
′e°?:(1)5.7?á10-5 T??3-b..