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大学物理电磁场练习题含答案教程文件.pdf

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1、资料收集于网络，如有侵权请联系网站删除word 可编辑前面是答案和后面是题目,大家认真对对.三、稳恒磁场答案1-5 CADBC 6-8 CBC三、稳恒磁场习题1.有一个圆形回路 1及一个正方形回路 2，圆直径和正方形的边长相等，二者中通有大小相等的电流，它们在各自中心产生的磁感强度的大小之比B1/B2为(A)0.90(B)1.00(C)1.11(D)1.222.A I I 边长为 l的正方形线圈中通有电流I，此线圈在 A点(见图)产生的磁感强度 B为(A)lI420(B)lI220(C)lI02(D)以上均不对3.a I I I a a a a 2a I P Q O I a 通有电流 I的无限

2、长直导线有如图三种形状，则P，Q，O各点磁感强度的大小 BP，BQ，BO间的关系为：(A)BP BQ BO.(B)BQ BP BO(C)BQ BO BP(D)BO BQ BP资料收集于网络，如有侵权请联系网站删除word 可编辑4.a O B b r(A)O B b r(C)a O B b r(B)a O B b r(D)a 无限长载流空心圆柱导体的内外半径分别为a、b，电流在导体截面上均匀分布，则空间各处的B的大小与场点到圆柱中心轴线的距离r的关系定性地如图所示正确的图是5.abcIO12电流I由长直导线 1沿平行 bc边方向经 a点流入由电阻均匀的导线构成的正三角形线框，再由 b点沿垂直

3、 ac边方向流出，经长直导线2返回电源(如图)若载流直导线1、2和三角形框中的电流在框中心O点产生的磁感强度分别用1B、2B和3B表示，则O点的磁感强度大小(A)B=0，因为 B1=B2=B3=0(B)B=0，因为虽然 B1 0、B2 0，但021BB，B3=0(C)B 0，因为虽然 B2=0、B3=0，但B1 0(D)B 0，因为虽然021BB，但B3 06.ab2I1O电流由长直导线 1沿半径方向经 a点流入一电阻均匀的圆环，再由b点沿切向从圆文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10

4、I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:

5、CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 H

6、R5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF

7、10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编

8、码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9

9、 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7

10、ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5资料收集于网络，如有侵权请联系网站删除word 可编辑环流出，经长导线 2返回电源(如图)已知直导线上电流强度为I，圆环的半径为 R，且a、b与圆心 O三点在同一直线上设直电流 1、2及圆环电流分别在 O点产生的磁感强度为1B、2B及3B，则O点的磁感强度的大小(A)B=0，因为 B1=B2=B3=0(B)B=0，因为021BB，B3=0(C)B 0，因为虽然 B1=B3=0，但B2 0(D)B 0，因为虽

11、然 B1=B2=0，但B3 0(E)B 0，因为虽然 B2=B3=0，但B1 0v7.abdI1OI2c电流由长直导线 1沿切向经 a点流入一个电阻均匀的圆环，再由b点沿切向从圆环流出，经长直导线 2返回电源(如图)已知直导线上电流强度为I，圆环的半径为 R，且a、b和圆心 O在同一直线上设长直载流导线 1、2和圆环中的电流分别在O点产生的磁感强度为1B、2B、3B，则圆心处磁感强度的大小(A)B=0，因为 B1=B2=B3=0(B)B=0，因为虽然 B1 0、B2 0，但021BB，B3=0(C)B 0，因为 B1 0、B2 0，B3 0(D)B 0，因为虽然 B3=0，但021BB8.a

12、RrOOI在半径为 R的长直金属圆柱体内部挖去一个半径为r的长直圆柱体，两柱体轴线平行，其间距为 a，如图今在此导体上通以电流I，电流在截面上均匀分布，则空心部分轴线上 O点的磁感强度的大小为(A)2202RaaI(B)22202RraaI文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9

13、 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7

14、ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文

15、档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5

16、Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X

17、7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q

18、5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5资料收集于网络，如有侵权

19、请联系网站删除word 可编辑(C)22202rRaaI(D)(222220arRaaI参考解：导体中电流密度)(/22rRIJ设想在导体的挖空部分同时有电流密度为J和J的流向相反的电流这样，空心部分轴线上的磁感强度可以看成是电流密度为J的实心圆柱体在挖空部分轴线上的磁感强度1B和占据挖空部分的电流密度J的实心圆柱在轴线上的磁感强度2B的矢量和由安培环路定理可以求得02B,)(222201rRaIaB所以挖空部分轴线上一点的磁感强度的大小就等于)(22201rRIaB9.R2c3分10.221RB3分11.6.6710-7 T 3分7.2010-7 Am22分12.减小2分在2/Rx区域减小；

20、在2/Rx区域增大(x为离圆心的距离)3分13.0 1分I02分14.410-6 T 2分5 A 2分15.I01分0 2分2I02分16.解：电子绕原子核运动的向心力是库仑力提供的即02202041amaev，由此得002amev2分电子单位时间绕原子核的周数即频率0000142amaeav2分由于电子的运动所形成的圆电流文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5

21、Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X

22、7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q

23、5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9

24、B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L

25、9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O

26、2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1

27、B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5资料收集于网络，如有侵权请联系网站删除word 可编辑000214amaeei因为电子带负电，电流 i的流向与v方向相反2分i在圆心处产生的磁感强度002aiB00202018amae其方向垂直纸面向外2分17.1 2 3 4 R R O I a 2解：将导线分成 1、2、3、4四部份，各部分在 O点产生的磁感强度设为 B1、B2、B3、B4根据叠加原理 O点的磁感强度为：4321BBBBB1B、4B均为032BBB2分)2(4102RIB2分242)s i n(s i n401203RIaIB)2/(0RI方向2分其中2/Ra，2

28、/2)4/sin(sin22/2)4/s i n(s i n1RIRIB2800)141(20RI方向2分18.解：电流元1dlI在O点产生1d B的方向为(-z方向)电流元2d lI在O点产生2d B的方向为(-x方向)电流元3d lI在O点产生3d B的方向为(-x方向)3分kRIiRIB4)1(4002分19.解：设 x为假想平面里面的一边与对称中心轴线距离，RxRRxrlBrlBSBddd21，2分dS=ldr文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ

29、7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5

30、C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10

31、I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:

32、CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 H

33、R5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF

34、10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编

35、码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5资料收集于网络，如有侵权请联系网站删除word 可编辑2012 RIrB(导线内)2分rIB202(导线外)2分)(42220 xRRIlRRxIlln202分令 d /dx=0，得最大时Rx)15(212分20.解：洛伦兹力的大小Bqfv1分对质子：1211/RmBqvv1分对电子：2222/RmBqvv1分21qq1分2121/mmRR1分21.60606060y 解：电子在磁场中作半径为)/(eBmRv的圆周运动2分连接入射和出射点

36、的线段将是圆周的一条弦，如图所示所以入射和出射点间的距离为：)/(3360sin2eBmRRlv3分22.1 2 I O I dl Fdl 解：在任一根导线上(例如导线 2)取一线元 dl，该线元距 O点为l该处的磁感强度为sin20lIB2分方向垂直于纸面向里1分电流元 Idl受到的磁力为BlIFdd2分文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G

37、9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L

38、8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7

39、A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C

40、1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I

41、1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:C

42、Q7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR

43、5C1G9L9X7 ZF10I1L8O2Q5资料收集于网络，如有侵权请联系网站删除word 可编辑其大小s i n2ddd20llIlIBF2分方向垂直于导线 2，如图所示该力对 O点的力矩为1分s i n2ddd20lIFlM2分任一段单位长度导线所受磁力对O点的力矩120ds i n2dlllIMMs i n220I2分导线2所受力矩方向垂直图面向上，导线1所受力矩方向与此相反23.(C)24.(B)25.解：lNInIH/200 A/m 3分HHBr01.06 T2分26.解：B=/S=2.010-2 T 2分lNInIH/32 A/m 2分HB/6.2510-4 Tm/A 2分1/0m

44、496 2分9.一磁场的磁感强度为kcjbiaB(SI)，则通过一半径为 R，开口向 z轴正方向的半球壳表面的磁通量的大小为_Wb10.nR S 任意曲面60BB在匀强磁场B中，取一半径为 R的圆，圆面的法线n与B成60角，如图所示，则通过以该圆周为边线的如图所示的任意曲面S的磁通量文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1

45、L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ

46、7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5

47、C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10

48、I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:

49、CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 H

50、R5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF10I1L8O2Q5文档编码:CQ7A1B9B5Z9 HR5C1G9L9X7 ZF

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