大学物理期末练习附加部分答案.pdf
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1、优秀学习资料欢迎下载大学物理期末练习有的答案看一下图片吧,不会打进去(我没有标准答案,只是每道题都问了老师,答案也就基本确定了)一、填空题1.在静电场中,场强沿任意闭合路径的线积分等于0,即Ll dE0,这表明静电场中的电场线不闭合(“闭合”或“不闭合”)。2.右图所示,边长为a的正六边形每个顶点处有一 个 点 电 荷,取 无 限 远 处 作 为 电 势 零 点,则o点 电 势 为0,o点的场强大小为 0。3.半径为r的均匀带电球面1,带电量为1q,其外有一同心的半径为R的均匀带电球面2,带电量为2q,则两球面间的电势差为。4.产生动生电动势的非静电力为洛伦兹力,对应的非静电场表达式为。5.一
2、金属球壳的内、外半径分别为1R和2R,带电荷为Q。在球心处有 一 电 荷 为q的 点 电 荷,则 球 壳 内 表 面 上 的 电 荷 面 密 度1R=_ oqqqqqq-第 1 页,共 7 页精品p d f 资料 可编辑资料-优秀学习资料欢迎下载6.一平行板电容器充电后切断电源,若使二极板间距离增加,则二极板间场强 _不变_,电容_减小_(填增大或减小或不变)7.真空中一载有电流I的长直螺线管,单位长度的线圈匝数为n,管内的磁感应强度为 _0dNILBl_。8.半径为R的金属球离地面很远,并用细导线与地相联,在与球心距 离 为2dR处 有 一 点 电 荷q,则金 属 球 上 的 感 应 电 荷
3、Q为。二、单项选择题1.两个均匀带电同心球面,半径分别为1R和2R(12RR),所带电量分别为1Q和2Q,则距球心为r处的P点(1rR)的电势为(A)A.12010244QQRR B.1201044QQRrC.1200244QQrR D.120044QQrr2.下列说法正确的是(B)A.闭合曲面上各点电场强度都为零时,曲面内一定没有电荷;B.闭合曲面上各点电场强度都为零时,曲面内电荷的代数和必定为零;C.闭合曲面的电通量为零时,曲面上各点的电场强度必定为+qd=2RR-第 2 页,共 7 页精品p d f 资料 可编辑资料-文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H
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5、4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H
6、4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V
7、4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H
8、4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V
9、4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H
10、4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5优秀学习资料欢迎下载零;D.闭合曲面的电通量不为零时,曲面上任意一点的电场强度都不可能为零。3.如图,圆柱形空间内有一磁感强度为B的均匀磁场,B的大小以恒定速率变化。在磁场中有A、B两点,其间可放直导线或弯曲的导线,则有(D)A.电动势只在直导线中产生B.电动势只在曲线中产生C.电动势在直导线和曲线中都产生,且两者大小相等D.直导线中的电动势小于弯曲的导线4.1C和2C两个电容器,其上分别标明200pF(电容量)、500V(耐
11、压值)和 300pF、900V。把它们串连起来在两端加上1000V电压,则(C)A.1C被击穿,2C不被击穿 B.2C被击穿,1C不被击穿C.两者都被击穿 D.两者都不被击穿5.下列说法正确的是(A)A.电荷在空间各点会激发电场,电流元lId在空间各点会激发磁场B.静止电荷在磁场中不受磁场力,运动电荷在磁场中必受磁场力-第 3 页,共 7 页精品p d f 资料 可编辑资料-文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ
12、1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C
13、1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ
14、1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C
15、1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ
16、1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C
17、1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ
18、1D5H4T5M5优秀学习资料欢迎下载C.所有电场都是保守力场,所有磁场都是涡旋场D.若闭合曲线不围绕有任何电流,则该闭合曲线上各点的磁感应强度必为零6.三块互相平行的导体板,相互之间的距离1d和2d比板面积线度小得多,外面二板用导线连接。中间板上带电,设左右两面上电荷面密度分别为1和2,如图所示。则比值12为(B)A.12ddB.21ddC.1 D.2122/dd7.在一个孤立的导体球壳内,若在偏离球中心处放一个点电荷,则在球壳内、外表面上将出现感应电荷,其分布将是(B)A.内表面均匀,外表面也均匀 B.内表面不均匀,外表面均匀C.内表面均匀,外表面不均匀 D.内表面不均匀,外表面也不均匀8
19、.均匀磁场 B(t)被限制在半径为R的圆柱形空间,磁场对时间的变化为 dB/dt,在与磁场垂直的平面内有一正三角形回路aob,位置如图所示,则回路中的感应电动势为(A)A.dtdBR26 B.dtdBR218 C.dtdBR2163 D.0 9.在一个原来不带电的外表面为球形的空腔导体A内,放一带有电荷为+Q的带电导体B,如图所示则比较空腔导体A的电势UA和导体B的电势UB时,可得以下结论(C)A.ABUU B.ABUUd1d221A B+Q-第 4 页,共 7 页精品p d f 资料 可编辑资料-文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2
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21、 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2
22、R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1
23、 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2R4C1V2V4 HK6B5I2C4Z1 ZZ1D5H4T5M5文档编码:CV2
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