无忧得胜-网上国际课程 (5edu.win)

 找回密码
 立即注册

 

      

上传图片附件

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

Switch to Full Screen

习题练习：Electricity and Circuits: Resistor
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://autodiscover.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 527，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://autodiscover.5edu.win/test527.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: 2026-05-21 08:55    总分: 50分  得分: _____________

答题人: 游客未登录  开始时间: 24年08月22日 11:12  切换到: 整卷模式

标记此题
1#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  16.09: In the circui 5,tl 0,x-wooxv 9tbgn*g5ntnt shown, an electric current exists in the metal resistor connected to the bg0txt95ngvn to 5*olx,-,wn battery. Which one of the following choices best describes the direction of electron flow through the resistor and the direction of the electric field through the interior of the resistor?


参考答案:    
标记此题
2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  98.06: When any four resistors are connected in parallel, the_______ ;ktln .e57jwc__each resistor is the ;l7nwkj.c5 etsame.

参考答案:    
标记此题
3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  06.33: A current through t,h.c-/djltcy0lnm 8o i ocl .;he thin filament wire of a lightbulb causes the filament to become white hot, while the larger wires connected to the lightl;/.c lt -c0yodcmol,hnj .8ibulb remain much cooler. This happens because

参考答案:    
标记此题
4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  13.08: Some standard household lights are being replaced with LEDs. oo90 s c;jr8yzjl *impi qv65 9tsa):((alihdLED is the acronym for which one of the following9jh0z(aj ro9; qi iid8m(c:als y plvt *6o)5s choices?

参考答案:    
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
标记此题
5#
 
多选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  05.16: A cylindrical graphite resistor has length L and cross-sectional5 y)itw u /lll7hf-b/l area A. It ist /u 7)/5hlillb-ywl f to be placed into a circuit, but it first must be cut in half so that the new length is 1/2 L. What is the ratio of the new resistivity to the old resistivity of the cylindrical resistor?

参考答案:    
标记此题
6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  98.20: Wire I and wire II are made of the same mateiseucy-utt 8vqo/i f v xs.;- be4011krial. Wire II has twice the diameter and twice the length of I. I1 q1u c- yb/vxf0ie8s-t ke;oi4t u.svf I has resistance R, II has resistance

参考答案:    
标记此题
7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  99.31: Wire Y is made of the same material but has twice thecqmhq6 *+n0fi4auhqvp oet8 .m+ 3s8w diameter and half the length of wire X. If wire X has a resistance of R then wire Y wouwo8th p qq3s mqe0hanuc*4.i+f6v8+mld have a resistance of

参考答案:    
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
标记此题
8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  03.23: A cylindrical resistor has length L and radius r. Thium9zp5bor q(+s piece of material is then drawn so that it is a cylinder with new len9ozu5m( qrp+b gth 2L. What happens to the resistance of this material because of this process?

参考答案:    
标记此题
9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  07.27: A junior Thomas Edison wants to make a brighter light bulb.c lsi xx nhq0t./e.6 b75dau)l He decides to modify the fix.xd0blt.i nlceau6qh 7 s)/5lament. How should the filament of a lightbulb be modified in order to make the lightbulb produce more light at a given voltage?


参考答案:    
标记此题
10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  16.07: Three cylindrical resistors are made of the same material. The length a9 alnbn.n7cdzki z51rz ; k4e2nd radius ol1knb;. d e92a nz in7r4c5zzkf each resistor is:
Resistor 1: Length L, radius r
Resistor 2: Length L/2,radius r/2
Resistor 3: Length L/4,radius r/2
Which one of the following choices correctly ranks the resistance of these resistors (R1,R2,R3)?

参考答案:    
标记此题
11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  13.22: Four resistors, each of n x4i +5fr cg5p;qce2ih5 7pphresistance R, are connected to a battery in the following way: “Two resistors are connected in ser ;5h+i ecx nphpipr72 45fgqc5ies. This combination of two resistors is connected in parallel to a third resistor. This set of three resistors is connected in series to a fourth resistor.” What is the equivalent resistance of this arrangement of four resistors?

参考答案:    
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
标记此题
12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  95.35: The voltmeter in the accompanying circuij 2j(j 0nsg rd nd:f-q0hpin71t diagram has internal resistance 10.0 kW and the ammeter has interna20nqnds :jh-rgp1(jni f j7d0l resistance 25.0 ohm. The ammeter reading is 1.00 mA. The voltmeter reading is most nearly:


参考答案:    
标记此题
13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  97.37: Consider the compound circu;k kzy0x x5xxxo1+v5cit shown to the right. The three bulbs 1, 2, and 3 - rx ;xkv+x5xy z15k0x ocepresented as resistors in the diagram
- are identical. Which of the following statements are true?
I. Bulb 3 is brighter than bulb 1 or 2.
II. Bulb 3 has more current passing through it than bulb 1 or 2.
III. Bulb 3 has a greater voltage drop across it than bulb 1 or 2.


参考答案:    
标记此题
14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  99.30: Given the simple electrical circuit at the right. If the curre* kwpc-kek( jzc r952q2 2ja2:tbyvp6exdw5e nt in all three resistors is equal, wq -ev26cc r9 twajp y: xpek5k2 ek5z(22bjwd*hich of the following statements must be true?


参考答案:    
标记此题
15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  99.37: The diagram at right cx(mfo/c;*9k7g w1sewo3 zm3kkz+ cwe()fwirepresents a simple electric circuit composed of 5 ide31gz cw(;)k(z *wesmw co f/x fmwki+o 7k9c3entical light bulbs and 2 flashlight cells. Which bulb (or bulbs)
would you expect to be the brightest?


参考答案:    
标记此题
16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  00.03: Which of the following statementsw :swjlx i0t,ui2,y/w d 30yyn is NOT true concerning the simple circuit shown where xuw:s n0w jd/yi0y3tw il2,,yresistors R1, R2 and R3 are have equal resistances?


参考答案:    
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
标记此题
17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  17.29: Two lightbulbs X andY are connected in sxpas+k; 6hq:kxz;kma tf +z0q6g* 4o weries to a battery. Bulb X is brighter than bulb Y. Assume all circuit elements are ideal. If bulbs X andY are connected in parallel with each other to the same battery, which one oft hp4fz;xmq s:x 6ka*k0o6+ gqaz+k;w the following choices best represents what is observed?


参考答案:    
标记此题
18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  06.34: How many coulomb2p1 f61dd kxigfu )5eecf5yq0 s will pass through the identified resistor in 5 seconds o51ef kfi dxpucf1g60y )2 eqd5nce the circuit was closed?


参考答案:    
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
标记此题
19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  00.23: If all of the resistors ds4xri(gu puce.2b /( in the following simple circuit have the same resistance, which would dissii b ue/xsr 2p4(dgc(.upate the greatest power?


参考答案:    
标记此题
20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  98.34: In the accompanying circuit diaq.u 5 qh zwymw8an2a/5gram, the current through the 6.0 Ω resistor is 1.0 A. What is the power supply vol a5y2 w8uzwq.ha5m qn/tage V?


参考答案:    
标记此题
21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  97.27: Three resistors R1, )4y3 svbzivs.,gkid4 R2, and R3 are connected in series to a battery. Suppose R1 carries a current of 2.0 A, R2 has a resistance of 3.0Ω, and R3 dissipates 6.0 W of power. What is the voltagvd gi.bz43ysk s),4vie across R3?

参考答案:    
标记此题
22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  99.40: Three different resistors R1, R2 andR3 are connected in parallel to a bat+qrsb,a 0whbfz:55w8 p1 :vg4s ohibm tery. Suppose R1 has 2V across it, R2 = 4Ω, and R3 dissipate8p:r0hbsi 4g+5owb svmab ,:qw 5zfh1s 6 W. What is the current in R3?

参考答案:    
标记此题
23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  99.13: A heating coil //z-xd,jyxs- o a/m+ail z4lbis rated 1200 watts and 120 volts. What is the maximum value of the curra+a/b/l/ xm-sdiyz4 o, l-j xzent under these conditions?

参考答案:    
标记此题
24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  99.23: What is the resistance of a 6l )mrj:j,9xtzin;pb) *( fsk r0 watt lightbulb designed to operate at 120 vo(, )l x;9: zpkr r)tsmjjbfin*lts?

参考答案:    
标记此题
25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  03.09: How much current flows through a 4 ohm resistor that is dissipating oxaa6bqiont+;;ks - lfla5 -*36 watts o; 5tnfoki6 *a-a xlql- a+sb;of power?

参考答案:    
标记此题
26#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  05.21: A household iron used teyzp.lc jd0 rn/ 5hm2 q ha:1rkv.+m5 ks:6lkgo press clothes is marked "120 volt, 600 watt.” In normal use, the currentzj:55lm62h sk qmgvdrln1.a rkhp0+ .ye/kc : in it is

参考答案:    
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
标记此题
27#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  01.05: Which of the following resistances could NOT be proux*m tz /--8g/ rg;7cktnqqe uduced by a circuit containing only three id x/ztrqm*;/u78 gqugct n--ekentical 6Ω resistors?

参考答案:    
标记此题
28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  94.37: You are given y3 .mi .h;topithree 1.0 Ω resistors. Which of the following equivalent resistances CANNOT be produced using all three resisth.pm; oi3y.ti ors?

参考答案:    
标记此题
29#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.06: Three resistors of different s4 z4ldzj oayb5/k b)fr-liyyot0/. 8values can be connected together in different configurations. If all three resistors are used in a circuit, how many different v5l/)80dr/kli.j 4bb 4yos y -yaztzofalues of total resistance can be produced?

参考答案:    
标记此题
30#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  97.35: When a single resistor is connected to a bas u5(ob n*sr.b v,hsy3ttery, a total power P is dissipated in the circuit. How much total power is dissipated in a circuit if n identical resistors are connected in series using the same battery? Assume the internal resistance of the battery is zer3s( hro y.nvus bs,*5bo.

参考答案:    
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
标记此题
31#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  96.16: When two resistors, having resistance R1 and R2, are colixamkq7aq 2h m8e8.msh+m 9/ nnected in parallel, the equivalent resistance of the combination is 5Ω . Which of the9q qh7a8.lmm+x ma ek2him8s/ following statements about the resistances is correct?

参考答案:    
标记此题
32#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.46: A hotplate is designed such that it has 3t vdpe8sab h/63pg 1h jwp)c)a resistance of 12Ω when operating at 12at8v3 g)/sjc 13 pph)h bwep6d0 volts. What is the minimum amount of time that it would take to warm 0.45 kg of water from $15^{\circ}C$ to$85^{\circ}C$?

参考答案:    
标记此题
33#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  03.09: How much current flows through a 4 ohm resistor that is dissipating 36 wbn87 muztyk1j q0rw.;atts of power?n;jzq8k 1ry 7 btuw.m0

参考答案:    
标记此题
34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  01.24: An electric heater drs95f gny k )z 7gs:ztogc7gp7,aws 13 amperes of current when connected to 120 volt,ntgzgy)scpgkg s5777o 9fz : s. If the price of electricity is $0.10/kWh, what would be the approximate cost of running the heater for 8 hours?

参考答案:    
标记此题
35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  08.05 Approximately how4vmc q-k 9,y-s;i1d:t;kwq ujc 0 znsd much would it cost to keep a 100W lightbulb lit continuously fmqy;n 0dtwk1djq-,v ; i 9u:kcs -sc4zor 1 year at a rate of $0.10/(kW.hr) ?

参考答案:    
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
标记此题
36#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  12.09: A constant cuk1 dqtf /q;du0rrent of 4.00 A through a lightbulb results in a power of 24.0 W associated with the bulb. Which o1q d/fkq0du;t ne of the following choices best represents the resistance of the lightbulb?

参考答案:    
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
标记此题
37#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  01.10: Each member of a family of six owns a computer rated at 500 watts 9ni) s.vd;wf.u +o3.bbr 6 ss72tfe2yyk v vglin a 120 V ci;dgi2kb 3+obssl6). .vv. fnye vtfrw s279uyrcuit. If all computers are plugged into a single circuit protected by a 20 ampere fuse, what is the maximum number of the computers can be operating at the sametime?

参考答案:    
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
标记此题
38#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  03.16: A 9-volt battery is connected to four r yq 32/0ejdt 8l.farouesistors to form a simple circuit as shuqoj0a .e82dlyrtf3/own to the right.
How would the current through the 2 ohm resistor compare to the current through the 4 ohm resistor?


参考答案:    
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
标记此题
39#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  03.17: A 9-volt battery is connected toni 9v,0 xmm (t);slgci four resistors to form a simple circuit as sxinlg)s( icm,; t vm09hown to the right.
What would be the potential at point B with respect to point C in the above circuit?


参考答案:    
标记此题
40#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.21: An ideal battery, an ideal ammeter, a switch and three resistor,e7.fe qw5o.h9lboc rs are connected as shown. With the switrl9.7e o.ewohf qcb5, ch open as shown in the diagram the ammeter reads 2.0 amperes.
With the switch open, what would be the potential difference across the 15 ohm resistor?


参考答案:    
标记此题
41#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.22: An ideal battery, an ideal ammeter-9gkmlr4) h: w-fd,e3fmw zcr , a switch and three resistors are connected as shown. With the switch open lmh:9mwfgr3 4ckw r )- -edz,fas shown in the diagram the ammeter reads 2.0 amperes.
With the switch open, what must be the voltage supplied by the battery?


参考答案:    
标记此题
42#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.23: An ideal battery, an id7lbnxu :uihv6f z86)mowsp: 1eal ammeter, a switch and three resistors are connected as shownsv1zu8:ox ihfw l 6b6:7pu m)n. With the switch open as shown in the diagram the ammeter reads 2.0 amperes.
When the switch is closed, what would be the current in the circuit?


参考答案:    
标记此题
43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  12.14: For the circuijshyx24 y.: att shown to the right, what is the equivalent resistance? Ass:4.ahx2j ytysume that all wires are ideal, the battery has no internal resistance, and all three resistors have identical resistance R.


参考答案:    
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
标记此题
44#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  09.07: The equivalent resistance of the circuit shown to thex.(jblwxdh1 4 i49x *sjg df8c right with resih s4dij 9 *d(xc.xjlw fx4gb81stances $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ and $R_3= 2.00Ω$ is


参考答案:    
标记此题
45#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  04.20: The diagram below shows five identical resistors connected in a combinu;t :q 0yy+fd irwj4js7e g-f*ation series and parallel circuit to a voltage *id4j:7f-j+ u0syw;fygeq tr source.
Through which resistor(s) would there be the greatest current?


参考答案:    
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
标记此题
46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  04.21: The diagram below shows five identical: *bsn hzmdz99:3plik resistors connected in a combination series and parallel circuitmzink9* 9dbl 3sh :p:z to a voltage source.
Which resistor(s) have the greatest rate of energy dissipation?


参考答案:    
标记此题
47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  07.29: In the circuit diagram, all of wtx;7lm/7z8 s o67yuxj0mvmg the bulbs are identical. Which bulb will be the brighj7 0ws6 u/mm;mlz8gtx7v7xoytest?


参考答案:    
标记此题
48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.21: An ideal battery, an ideal ammeter, a switch and three resistors ar ;20doqshqdqdqx 6tlky 85 9e(e connected as shown. With the switch open as shown in the diagra26td yskql(e09o d;qhx q 8qd5m the ammeter reads 2.0 amperes.
With the switch open, what would be the potential difference across the 15 ohm resistor?


参考答案:    
标记此题
49#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.22: An ideal battery, an ideal ammeter, a switch and three resistors aymh0x y/j, 02bpx 7k3ji1 k4e ki9nctdre connected as shown. With the switch open as shown in the diagram the amme x3injt02 k heix0pk1kcdj47/ym 9yb,ter reads 2.0 amperes.
With the switch open, what must be the voltage supplied by the battery?


参考答案:    
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
标记此题
50#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.23: An ideal battery, an ideal ammeter, a switch and three resistors areq*ie *xu+byd 0 connected as shown. Widxbu0* y+i q*eth the switch open as shown in the diagram the ammeter reads 2.0 amperes.
When the switch is closed, what would be the current in the circuit?


参考答案:    
  • 姓名:游客(未登录)
    •
    总分:50分 及格:30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 50 道题
    本平台(https://autodiscover.5edu.win/)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

    试卷内容到此结束!   © 2026 无忧得胜-网上国际课程 (https://5edu.win)版权所有

    浏览记录|手机版试卷|使用帮助|手机版|无忧得胜-网上国际课程 (https://5edu.win)

    GMT+8, 2026-6-1 01:06 , Processed in 0.522537 second(s), 130 queries , Redis On.