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

1#

96.27: A long straight wire conductor is placed below a compass. When the convehm6;zmsa 2sd0je z;q6 ntional current in the conductor is from south to north and large, the N pole of the cz6 m2jqsz;m0 dsh; e6aompass:

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

2#

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 along the dotnruf872 f d7kwkl3 ,o sk8dcb,lp4/ xpted lines shown. None of the pieces are rota,7dkpoku/b328n l dp4rc,sw78xf flkted. 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

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 sprinkled around threj7od7nelw *k .e permanent magnetwn okj. le7*7ds. 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

4#

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 rikwit xvw),y +e d/21nnwonsp y;4f6+aght in a wire as shown in the diagram, what is the directi naxd p4o+iyts/vkwf; ,nn2w1 +6 )weyon 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

5#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

97.02: An electric current flows t8xe1k8 cza-b shrough a horizontal wire from left to right as shown in the accompanying diagram. Which option best represents the directio esx1azk8cb8 -n 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

6#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

06.41: From our current unde:paenyx/cl 139zc a0 bc,fbz 3h.nh.v rstanding of physics, which representation of magneticp:c yn3hbb9ze/a vcf1,l 0c x ahz.3n. field lines is 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

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 currentg4(i 7 x*7 twfhdil-z*s+rh nwm,p,hq directed into the plane of the page s*xi+,fh w-z7 htd,il(p7 mr*qwgn h4 as shown in the figure. Which one of the arrows shown best indicates the direction of the magnetic field 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

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

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 conventional currente u sxbh7m,bu0 4 /s6-fzn9pvm 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 omm4vpuf ue6sh bb7s 9nz,x -/0f 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

9#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

04.31: Two very long current-carryin*5do7p7 re uo-m wrpl0iqr,r9g wires are shown end on in the figure below*0uio5,oqwr9r l rdpp7rme7-. The 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 pr ;h.qnf(w 1.wq ykbxnut m-::laced near a coil of wire. A conventional electrical current is then run through the coil from yn:qw;wubn hqx .m(t kr-.:1fleft 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 te0;uqi erwpc*)qc3.gu ; ff o07. n pvzwaa.8solenoid shown is w 0e8vgcft qz73uf on) w0rupaep ;iq* ;.c..a
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

账号		自动登录	找回密码
密码			立即注册

未使用图片

本次作答已使用