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习题练习：magnet and magnetic field lines
本习题练习试卷来源于无忧得胜-网上国际课程 (https://5edu.win)， 为试卷打印版，您也可以在网站平台(https://autoconfig.5edu.win/)直接 访问本试卷的在线电子版并查看正确答案与解析，搜藏保存任意题目到收藏集。 访问方法: 平台首页左上角"通过试卷号快速访问"输入试卷号 453，并点击直达试卷；或浏览器地址栏内直接输入本试卷链接 https://autoconfig.5edu.win/test453.html  教师使用本平台可以抽题组卷或一键复制他人试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力。
 作者: admin  发布日期: 2024-08-02 21:11    总分: 12分  得分: _____________

答题人: 游客未登录  开始时间: 24年07月29日 14:24  切换到: 整卷模式

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1#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  96.27: A long straight wire conductor is placed below a compass. When the convenb i*qe2xza95 vtional current in the conductor is from south to north and large, the N pole xb 9 5iev*z2aqof the compass:



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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  97.17:Two bar magnets are- svjtgcmti3z d9:r, yg22fdd .e+ok- to be cut in half along the dotted lines shown. None of the pdt+ gi-r.edv g 2k,m39zsc:do ft2j y-ieces are rotated. After the cut:


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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  98.21: The diagram to the right depicts iron filings spri6e, 6ydo*2.j+gat s3qucq)turheut 2 nkled around three permanent magnets. Pole R is the s*e ,t tgojq2) sdae.rh36ut+6cy q uu2ame as poles


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本习题练习题目来源于无忧得胜-网上国际课程 (https://5edu.win)，学生可刷题练习，扫右侧二维码或加微信skysky1258，获取更多资料
教师可以抽题组卷或一键复制本试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力
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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  99.04: If conventionpnf0n1n 4cc,c;e/rbowjj3w )2 k 1ka bal (positive) electric current flows from left to right in a wire as shown in the diagram, what is the direction of th erb32 j0,nbc4 kkfn;)pca cw1 w1j/noe magnetic field at point P?



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5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  97.02: An electric current flta4k hcofgurkfu-1 :, :l9 rho :wam2*ows through a horizontal wire from left to right as shown in the accompanying diagram. Which option best reprfo2u 419,rw:m og*l-:: khftrk acu haesents the direction of the magnetic field at point P?



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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  06.41: From our current understanding of physics, which representaticm/* hmvs 2mm gg6j8 hwve3g2-on of magnetic field lines is inconsistent? The squa- gvc2s 2h6ghj/*em v3mmg 8mwres in the diagrams below simply represent regions of space.



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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  12.28: A long straight wire has a conventional current dire.kyzlkfz 2 11xcted into the plane of the page as shown in the figure. Which one of the arrows shown best indicates the directio1zk x.f lk2yz1n of the magnetic field associated with this wire at the location labeled P?


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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  17.33: Two long wires are fixed in space so that the convenyfoxtgo)i )3iqo6f 0j zt2+5ktional current in the left wire (2 A) comes out of the plane of the page and the conventional current in the right wire (3 A) goes into the plane of the page. In which Region(s) is t)+yikfo6o2go 03zqi ftjx 5)there a place on the x-axis (aside from infinity) at which the magnetic field is equal to zero from these currents?



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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  04.31: Two very long current-carrying wires are shown end on in the figure bdtmwhb* : 7lwx;1+7uj c z kuyt*/u6pnelow. The wire onm6+tlwk* *z ux:pj; nyubw7dtu1h7/c
the left has a 4A current going into of the plane of the paper and the wire on the right has a 3A
current coming out of the paper. Disregarding the case of x → ±∞, in which region(s) could the
magnetic field from these two wires add to zero on the x-axis.



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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.31: A compass is placed near a coil oa)d;che4 cgf* f wire. A conventional electrical current is then run through tadc; 4gf) h*cehe coil from left to right as shown. This will cause the North pole of the compass to:



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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  05.19: The magnetic field line passing throu,h+(,c mx/euf c cok9vgh point P inside the solenoid shown is/m(f9v,c, uhokc+exc
directed



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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  05.36:When one compute the square root of the ratio of the permeability of free space to the
permittivity of free space, one obtains $\sqrt{\frac{\mu_0}{\varepsilon_0}}$= 377. What is the unit of this quantity?

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  • 姓名:游客(未登录)
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    总分:12分 及格:7.2分 时间:不限时
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