题库网 (tiku.one)

 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


习题练习:.Resistor.

 作者: admin 发布日期: 2024-08-22 15:34   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 circuit shown, an electric current v+rgky)l,ax4 exists in the metal resistor connected to the battery. Which on xyk)a4+ r,gvle 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 resistosdxr-q8g7 7yd:wi*wnr2/6 hdun x 4jsrs are connected in parallel, the_________each resistor is h 74s wyxsx qgni8jd6u/d-:2*7nrwrd the same.

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 the thin filament wire of a lightbulb causes the filamecgv3wvd+ yehu s7,6-+./veoe gym /xhnt to become white hot,- v+v+uwseyh3ogev /6d mcy 7,xg/e.h while the larger wires connected to the lightbulb 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 r-4 rlfru nm:b8eplaced with LEDs. LED is the acronym for which one of the r u84fmb:nlr-following choices?

参考答案:    

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 arycap; zu ;1h-nd cross-sectional area A. It is to be placed into a circuit, but it first must be cut in hr-u;zphy;a1 calf 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 material7r:j7qv1rcoc4cn-: 5 zspaq g. Wire II has twice the diameter and twice the length of I. If I has recr4 vq1 c:o q5najsg:-7rc7pz sistance 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 materwra;x, j ,mr2fial but has twice the diameter and half the length of wire X. If wire X has a resistance of2xfm ;r ,,wajr R then wire Y would have a resistance of

参考答案:    

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. This piece of material 4 y-vb5ncgdgj+ p3ie)is then drawn so that it is a cylinder with n3+pv gg) ye5ijb4c-nd ew length 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 t8(t3jz rr0nko8tv4 mEdison wants to make a brighter light bulb. He decides to modify the filament. How should the filament of a lightbulb be modified in order to make the lightbulb produce more light at a given voltagto08ttj4v( k8nrm r 3ze?


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 ikbw3qf +i iw;1:h*a8,kesdh material. The length and ra*h:e3i8w1ks+bwfikq h ,id ;adius of 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 resistance R, are c.8(m;h bq rf/ eqy*7-kmdffu connected to a battery in the following way: “Two resistors are comrbqh;.( f qku- cy*7m/fd8ef nnected in series. 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:    

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 agjh 0m 8fa: gl/z.pba4(ils5kccompanying circuit diagram has internal resistance 10.0 kW and the amm.k: (f085isajgzp/ba l h4 mlgeter has internal 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 circuit shown to the riu, 1zyg e:ksxs)-0dw2nq f+vaght. The three bulbs 1, 2, and 3 - 1g ve +wy s,a dz0uq:)-fsn2xkrepresented 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 * jyw2/hqz7bul ua+l9el yq68the current in all three resistors is equal, which of the following statementhl6/u*e blzq a7 l+y98wyq2ujs 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 represents a simplej4ot 451vtfy ,yalot v33gpj. electric circuit composed of 5 identical lijvvy3t f43o4ltap t1g.y5oj,ght 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 follwi,5zuk x+j-h owing statements is NOT true concerning the simple circuit shown where resistors R1, R2 and R3 are have equal resistance+ hwx,-jkui5zs?


参考答案:    

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 cbi)d/ u;5wv euonnected in series 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 of the following choices best represe iv)bd/5u;wu ents 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 coulombs will pass through the identified resistor in kc+p2bk clx;*b c. g*k 5 seconds once the ci;2ckp+xl .*k cb *kbcgrcuit was closed?


参考答案:    

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 t(.qvjc/baypxel:kcm3w- cna.) c 59 a he resistors in the following simple circuit have the same resistance, which would dism.: j5vwlca3pk nx/ce 9a- y()c bq.acsipate 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 diagram, the current through7+hi ( jorw0lt the 6.0 Ω resistor is 1.0 A. What is the power supply voltage w+i(7o rt0hjl 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, R2, and R3 are connected in series to a battery.fi;b;ufk--ns vk:u3 r Suppose R1 carries a current of 2.0 A, R2 -iusf-;3k k: bfnvru;has a resistance of 3.0Ω, and R3 dissipates 6.0 W of power. What is the voltage 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 pae4; 2 v7pvbpiqwl qcf;v8oh 57rallel to a batteryf2cvb57p;qw ve;i oqh pv8l74. Suppose R1 has 2V across it, R2 = 4Ω, and R3 dissipates 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 is rated 1200 watts and 120 volt ;v rvua;s,of7 rh1vh(s. What is the maximum value of the cuuvsh;v(r a7fo, 1rvh;rrent 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 60 watt lightqz6f xvk z4h-cq i2)3bbulb designed to operate at 120 volts?k 6vfqz)zb4 x3 i2-chq

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 di z)x(wsxrkg8nekf. -/ssipating 36 watts (r.) fx/ kgesw k8-xznof 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 to press clothes l rpxlk38z09l7ydl 4zis marked "120 volt, 600 watt.” In normall37kzd plx 4ll z90yr8 use, the current in it is

参考答案:    

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 resistak zc,m zva0 zs*0)nki7ujjz qum/j7ki 7k/q 62nces could NOT be produced by a circuit containing only three identicasjjzk//0zi zqmucj7*kuin )6azq v0772k,k ml 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 three 1.0 Ω resistors. Which of the fo(lq yx86- k7bzhm 9vkdse uf68llowing equivalent resistances CANNOT be p x vbzek-8 7(h6yk8us6q df9mlroduced using all three resistors?

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 differenti cato08tn5 ;t values can be connected together in different configurations. If all three resistors are used in a circuit, how many dc5to;0i nt8ta ifferent values 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 battery, a total power P isp3uipx0ho 4s3o+ 8rsc 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 resistanspops0ro34i3 +ux 8hcce of the battery is zero.

参考答案:    

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 resistor(8lrd+efjxkq +m 2*0e 8dst ccs, having resistance R1 and R2, are connected in parallel, trdscf*+d xkcj( eq82te+l0 8 mhe equivalent resistance of the combination is 5Ω . Which of the 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 a resistance of 12Ω whac6 /ts)u 0wppen operating at 120 volts. What is thecsp0 up )ta/6w 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 36al0u/+l yy+nz0dl p8e wattsp/nay0lze++l u l8d0y of power?

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 draws 13 amperes of current when ckayv46 yjhb2, onnected to 120 volts. If the py4 y,6v2jbka hrice 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 how much would it cost to keep a 100W lightbulb lit con; k56q w4vjv.0j8nq evwbxhs .tinuously for 1 year at a rate of 8e.n6sj vv.4qw;w05vk hxq bj$0.10/(kW.hr) ?

参考答案:    

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 current of 4. (m.bnd,gj;dnrs7oy 700 A through a lightbulb results in a power of 24.0 W associated with the bulb. Which one of the following choices ;djognbn7s ( 7,drm.y best represents the resistance of the lightbulb?

参考答案:    

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 ng3,0)rbx-g0acogm .ttqq2 y family of six owns a computer rated at 500 watts in a 120 V circuit. Iyc ).q g2r0bxo-ggq,tm 0a3ntf 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:    

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 connxzcg. 8hup /p7 ua50kke9rr0 oected to four resistors to form a simple circuit as shown 5kp8 xg/hr kc0e 9rau.ozp u70to the right.
How would the current through the 2 ohm resistor compare to the current through the 4 ohm resistor?


参考答案:    

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 to four resistors to form gg .f*kr3 gbv:s:ufgp(i:d;t a simple circuit as sho:dvg;f .bs(ig pk f3*gr:t:ug wn 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 iau0h ; jj6ue*gdeal ammeter, a switch and three resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads*a jg;6j0uh ue 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,)e,xr2xe x0rfih6vrsla 4(u 9 a switch and three resistors are connected as shown.sae2v,xexh6f i40(rur 9 xl )r With the switch open as 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 ideal ammeter, a switch and three resistors are bte bz 1r*qjbx, +)lana4-hf*connected as shown. With the switch open as shown in the diagram the ammrq z a-) bebfx1*hj t,+*abln4eter 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 circuit shown to the right, wx/yrkw/wujec f)8/*c hat is the equivalent resistance? Asskurjfc/ xe/yw 8)/*cwume that all wires are ideal, the battery has no internal resistance, and all three resistors have identical resistance R.


参考答案:    

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 the right with rez(ntvnm9 ++7y52 a pjo*bht wysistances mh(op w*+7y 5v+yn z j2tbtn9a$R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 (to*9 tg37z1 e jcjcn+ey6ht ka combination series and parallel circuit to cje67* c(gojt thn9 ztk+y1e3a voltage source.
Through which resistor(s) would there be the greatest current?


参考答案:    

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 fiq3yrtj -x8*f*i ijh2j ve identical resistors connected in a combination series and parallel circuit to a voltage source.jif-2 qr*ixyh*8jt j 3
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, alj0zh/:l3kh7k h.lih --k:zw se im, ael of the bulbs are identical. Which bulb will behjl 7k ha ik-e:- ,.zehh:i0m/w k3zls the brightest?


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 are connwac .u;yq wpv62 32hgwgk df81ecwgwu a pw;2vyc2k6h . d8q3f1gted as shown. With the switch 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
49#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.22: An ideal battez qncx2 ce;./jry, an ideal ammeter, a switch and three resistors are connectzne j/ c2.xqc;ed as shown. With the switch open as 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
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 lk9a7nhyd5 6)r pvc4eswitch and three resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads 2.0ae7 k4dr vyc 95l)pn6h amperes.
When the switch is closed, what would be the current in the circuit?


参考答案:    

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://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, 2025-11-30 06:35 , Processed in 0.317135 second(s), 121 queries , Redis On.