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

本习题练习来源于题库网 (https://tiku.one)，是在线习题练习的打印版，您也可以访问本平台网站(https://tiku.one/)直接在线完成(注册并登录账号后在首页左侧输入试卷号 453 即可在线作答)，，作答电子化后可随时回放，查看每题答案与详细解析，搜藏保存任意题目；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。本试卷的直接作答链接 https://tiku.one/test453.html
作者: admin 发布日期: 2024-08-02 21:11 总分: 12分得分: _____________

答题人: 匿名未登录开始时间: 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.cuw 2ih d*a3saaz4+ t2 When the conventional current in the conductor is froa h3a42z*wd2auc+tis m south to north and large, 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 t)):;g-j7 ob ii u 8mzitl2xkjbe cut in half along the dotted lines shown. None of the pieces are rotated. After the cugitu2b7i;mkitj:8 )-j xlo)zt:

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 the right depicts iron filhmrn dmga1 p /:*pf-qtaqi 3*7ings sprinkled around three perman*pm/:hn3aa qt7 imd1g-rpfq *ent magnets. Pole 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

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) electricas s p)pwz s(mba,:4j- current flows from left to right in a wire as shown in the diagram, what is the direction-)wp:4a ,bsam (ssp zj 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

本习题练习全部题目来源于题库网 (https://tiku.one)，学生可自助刷题练习，扫右侧二维码加微信，获取学习资料，答疑辅导
教师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

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 horizontal wire from lef1/vyd+ +r5tn,h k4 k z8bzgxgbt to right as shown in the accompan5k+v nyz dg,+tb 48h gxz/1brkying 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 understanding of physics,bxtq n d0 4-na8;yo (0fyl;zvs which representation of magnetic field lines is0nva48 bx ;-qtd lz ;fsy0y(on inconsistent? The squares in the diagrams 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 wire has a conventional current directed into the plnk0e xsv+ s,fav- p c/pc5g04vane of the page as shown in the figure. Which one of the arrows shown best indicates the direction of the magnetic field associatedp x45a0-vkv cf+c,pgv snse0 / 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 wire1p ul-+/b dmxzs are fixed in space so that the conventional current in the left wire (2 A) comesz u/bl+1 x-dmp 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 shihwt ymx4/0,s own end on in the figure below. m4 ,h sxwi0/ytThe 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 conventional electrical cu hl9ct5 52f6c tlq)*du. vwbrd dtlp1(rrent is then t2 f9cwv6up drlc5qhb (1d. t5tdll)* run through the coil from left to right as shown. This will cause 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 field line passing through point P inside the sol +g6/m wjcg0kjenoid shownk+j06wjm /cgg is
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

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

本系统支持习题练习，作业与考试三大模式，作业考试自动评分，成绩排序一键导出，可设定动态变量同一试卷千人千题
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, 2025-7-6 02:06 , Processed in 0.148516 second(s), 53 queries , Redis On.

返回顶部

账号		自动登录	找回密码
密码			立即注册