magnet and magnetic field lines - 题库网 (tiku.one)

?作业考试练习?美国物理杯赛(Physics Bowl)?magnet and magnetic field lines

考生身份 | 我的作答记录 | 错题本 | 搜藏集 | 帮助

未使用图片

小贴士: 允许的图片文件格式为: gif, jpg, jpeg, png, webp，上传完成后会在上方生成预览，用鼠标连续双击缩略图，或拖动缩略图，该图片就被绑定至本题，显示在题目下方

本次作答已使用

小贴士: 此栏目显示的是当前作答使用的所有图片，绑定到某一题目的图片同时会显示在该题目下方; 删除使用的图片会将其转移到<未使用图片>类别

习题练习：magnet and magnetic field lines

本习题练习试卷来源于题库网 (https://tiku.one)，为试卷打印版，您也可以在网站平台(https://tiku.one/)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://tiku.one/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

标记此题

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 convr2 h9-wb.1wmq2n oeeo7can q8)h plu.entional current in the conductor is from south to north and bhrq hu.9nmcwe.opn7q-)8e2w 1l2o alarge, the N pole of the compass:

绑定到本题的附件链接:
绑定到本题的上传图片:

参考答案:

进入本题讨论区，参与讨论

标记此题

单选题 ( 1.0 分) 切至整卷模式搜藏此题

97.17:Two bar magnets are to be cut in half alon zbz0s9bwt7.cb 8wo txwh.a *9g the dotted lines shown. None of the pieces are rotateda7o 9bc90 tzs w th*wbz.b8.wx. After the cut:

A. None of the halves will attract any other.

B. The two halves of each magnet will attract each other.

C. The two halves of each magnet will repel each other.

D. The two halves of the top magnet will repel, the two halves of the bottom magnet will attract.

E. The two halves of the top magnet will attract, the two halves of the bottom magnet will repel.

绑定到本题的附件链接:
绑定到本题的上传图片:

参考答案:

进入本题讨论区，参与讨论

标记此题

单选题 ( 1.0 分) 切至整卷模式搜藏此题

98.21: The diagram to y14aby iya2+qmxs;yjq65br 8the right depicts iron filings sprinkled around three permanent magnets. Pory+14;miq2yxq 5a yjb6 bsa8yle R is the same as poles

绑定到本题的附件链接:
绑定到本题的上传图片:

参考答案:

进入本题讨论区，参与讨论

本习题练习题目来源于题库网 (https://tiku.one)，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

标记此题

单选题 ( 1.0 分) 切至整卷模式搜藏此题

99.04: If conventional (positive) electric current flows from left to ri8 k )vfp+ew7rsd:)ok 2svmgx3ght in a wire as shown in the diagram, what is the direction of the magnetic8 7 k)dfmvr:k)gs+3wevxo ps 2 field at point P?

绑定到本题的附件链接:
绑定到本题的上传图片:

参考答案:

进入本题讨论区，参与讨论

标记此题

单选题 ( 1.0 分) 切至整卷模式搜藏此题

97.02: An electric current flows through a horizont in,i7;tfj+ a6l+:+clgr uupd al wire from left to right as shown ijg6 ++r l 7lidiupc,fau:+nt ;n the accompanying diagram. Which option best represents the direction of the magnetic field at point P?

绑定到本题的附件链接:
绑定到本题的上传图片:

参考答案:

进入本题讨论区，参与讨论

标记此题

单选题 ( 1.0 分) 切至整卷模式搜藏此题

06.41: From our current und78qnaubmf3z f0+qmu p/ +o4tcerstanding of physics, which representation of magnetic field lines is inconsistent? The squares in the diagrams/4 fmqb7 qa8uzof3u tp0+nmc + below simply represent regions of space.

A. B. C. D.

绑定到本题的附件链接:
绑定到本题的上传图片:

参考答案:

进入本题讨论区，参与讨论

标记此题

单选题 ( 1.0 分) 切至整卷模式搜藏此题

12.28: A long straight wirfqs6;lts0 /qb e has a conventional current directed into the plane of the page as shown in the figure. Which one of the arrows shown best indicates the direction of the magnetic field tbsf0qq6;l/s associated with this wire at the location labeled P?

绑定到本题的附件链接:
绑定到本题的上传图片:

参考答案:

进入本题讨论区，参与讨论

标记此题

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 ths s:iy pb+;)xo ons(7(0rbzgy e conventional current in the7)(n; pz0x sgb:b(o yisryso+ 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 there a place on the x-axis (aside from infinity) at which the magnetic field is equal to zero from these currents?

A. Only in Region I

B. In both Regions I and II

C. Only in Region II

D. In both Regions I and III

E. In both Regions II and IIID. electric field strength divided by magnetic field strength

F. charge divided by mass

绑定到本题的附件链接:
绑定到本题的上传图片:

参考答案:

进入本题讨论区，参与讨论

标记此题

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 sho5pkj m /b 6fjjwkv31b8wn end on in the figure below. T/jvjmb kkfj531p w8b6he wire on
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.

绑定到本题的附件链接:
绑定到本题的上传图片:

参考答案:

进入本题讨论区，参与讨论

标记此题

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 of wire. A convbfd.jnbtd4y;b vh q38.0)eqa entional electrical current is then run through the coil from left to right as shown. This will caus0.h3a )y8; ebqf ntdvb q.jb4de the North pole of the compass to:

A. point toward the left

B. point toward the right

C. point toward the bottom of the paper

D. not move since the magnetic field of the coil is into the paper

E. not move since the magnetic field of the coil is out of the paper

绑定到本题的附件链接:
绑定到本题的上传图片:

参考答案:

进入本题讨论区，参与讨论

标记此题

11#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

05.19: The magnetic f/iwytlkscrlsek l *gyi 2.rnx:72*85ield line passing through point P inside the solenoid shown is si*ly.gt8 rxrk/7le:l* 2icy2n kw5s
directed

A. to the right.

B. to the left.

C. downward the bottom of the page.

D. upward toward the top of the page.

E. in no direction since the magnetic field is zero.

绑定到本题的附件链接:
绑定到本题的上传图片:

参考答案:

进入本题讨论区，参与讨论

标记此题

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?

绑定到本题的附件链接:
绑定到本题的上传图片:

参考答案:

进入本题讨论区，参与讨论

姓名:游客(未登录)

总分:12分及格:7.2分时间:不限时

未答题:

已答题:0

答错题:

当前第题，此次习题练习共有 12 道题

本平台(https://tiku.one/)支持练习，作业与考试(自动评分)三种模式，群组成绩统计排序导出，题目动态变量实现同卷千人千题。
如果您对本系统感兴趣，想加入我们或者想进行任何形式的合作，请加微信 skysky1258

浏览记录|手机版首页|使用帮助|题库网 (https://tiku.one)

GMT+8, 2025-11-6 14:21 , Processed in 0.162674 second(s), 45 queries , Redis On.

返回顶部

账号		自动登录	找回密码
密码			立即注册