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

1#

96.27: A long straight wiz23(f x.or waire conductor is placed below a compass. When the conventi2 ( xi3ozwr.faonal current in the conductor is from 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

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

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 dk (x+)(uh8e )ao* x /ildplntsotted lines shown. None of thkt( )aso8xi(x/lu)elndh*+p e pieces are rotated. 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 tf6oe jy (w mubaz /w; ::s)cec/q)dy8vhree permanentweyc:s/ebf (;vu6 q dzy /:aocm8 j))w 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

4#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

99.04: If conventional (positive) electric current fl 6q0uz btei587dte c4mows from left to right in a wire as shown in the diagram, what is the direction of the mt mcu8t0 b4e 5d7zi6eqagnetic 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 through a horizon e*ya-lov l4hdn* //bmtal wire from left to right as shown in the accompanying diagram. Which option best represents the directi*ely-avbm //*lo4 ndh on 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

6#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

06.41: From our curr bt 7vnk 8lafge, ,0ti 1ysl359xjj;xtent understanding of physics, which representation of magnetic field lines is inconsistent? The squares in the diaggtx ,vtnki,3;1jf l byet sj790x85larams 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 current directed x3t 5 /ox5y* (s(,ovoxonkwwuinto the plane of the page as shown in the figure. Which one of the arrows shown best indicates the du xw vw,oky ot(ox(so*n3x55/irection 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

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 are9i,dl5+ bmjm( r ozde) fixed in space so that the conventional 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) gr) eobm ilj( +d5z,md9oes 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

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 areuncjf20/o mrzuk4m;a 8qwd 8 . shown end on in the figure below. The d8 4 /jqmmzr0cafnw;.ku8ou2wire 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

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

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* ffdtd:; br*orrent is then run through the coil from left to right as shown. This will cause the North pole of the compa;tfd:*dbfr* o ss 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

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

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 tha dn7oq,f5+ hse solenoid shown is ,a+qn5odf 7h s
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

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

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