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习题练习：.Resistor.
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 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

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1#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  16.09: In the circuit shown, an electr g3,/fhc8upz okp6l0/g6wm e3s6gvll 7 m(dclic current exists in the metal resistor connected to the battery. Which one of the following choices best describes the direction of electron flow throug6mdg3/lu 0ksghcoplf6 (pv7ll6gw/me,c83z h the resistor and the direction of the electric field through the interior of the resistor?


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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  98.06: When any four re br;rvb pgi2g* ywp)oek77l);sistors are connected in parallel, the_________each resistor isbr)7 oly7;eg rw ;)*pivp g2kb the same.

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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 cause0 nob6byz+,6b*h j6ajbn8unp s the filament to become white hot, w8o p ,bjnbnubjhaz066yn+b 6*hile the larger wires connected to the lightbulb remain much cooler. This happens because

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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 wv7f vgae(*m;qo0z jy8ith LEDs. LED is the acronym for which one oz;qv8ovey0(jg mf*7 a f the following choices?

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5#
 
多选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  05.16: A cylindrical graphite resis64khoz99k41 bgb f-yvu fc3udtor has length L and cross-sectional area A. It is tg9zy3 vkf-bdbh9 oukuf c4 146o 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?

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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 material. Wire 381kwcsy-svbzkm( ; y II has twice the diameter and twice the length of I. If I has resistance R, II has svy-sk;(y1wz3mb8 k c resistance

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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 the diame1 m* vgqu*4g0u7zfsw v;f q8qwter and half the length of wire X. Ifq7*mw4u*g fwsf u10qzv qg;v 8 wire X has a resistance of R then wire Y would have a resistance of

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  03.23: A cylindrical resu4 .baj9zv1yk istor has length L and radius r. This piece of material is then drawn so that it is a cylinder with new length 2L. Wvay9zu.4 b1kjhat happens to the resistance of this material because of this process?

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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 ay/juiw6mr ;*l brighter light bulb. He decides to modify the filament. How should the/;wrujmli*y6 filament of a lightbulb be modified in order to make the lightbulb produce more light at a given voltage?


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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 lengthvc .h.gy m+ej((mqh y7znz/h, and radius of each r/,yj qm(gm yz+z7hhh.ne cv.(esistor 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)?

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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 co;d, nrgq d -5omeoiz+mv tpl)p1y(-)o nnected to a battery in the following way: “Two resistors are connected in series. This combination of two resistors is connected in parallel to a third resistor. This set of three resistors istm+- -i ogpdpyne1,drl)mvqo5o;)z ( connected in series to a fourth resistor.” What is the equivalent resistance of this arrangement of four resistors?

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  95.35: The voltmeter in the accompanying circuit diagram hddh4jvlmt s-k;m3b8 6as internal resistance 10.0 kW and the ammeter has internm 43kbh -tm68;sjdldval resistance 25.0 ohm. The ammeter reading is 1.00 mA. The voltmeter reading is most nearly:


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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 rightj 7aonp.d y :1fiqm.a5. The three bulbs 1, 2, and 3 - represented as resistf.7da: njyai1m.oq5 p ors 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.


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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  99.30: Given the simple electrical circuit;ka-b0bnpr+ eim,*xy r:3n dd at the right. If the current in all three resistors is equal, which of the following statements musdnber+ ,i0n;y:b* mxr kp-d3 at be true?


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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  99.37: The diagram at right reprz,jf40b mru s4gm;f6besents a simple electric circuit composed of 5 identical light bulbs and 2 flashlight cells. Which bul0m; b s,ugb6jmfz4rf 4b (or bulbs)
would you expect to be the brightest?


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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  00.03: Which of the followingp2 .yw fbtp3m8h bumy*(u.b4i statements is NOT true concerning the simple circuit shown where resistors R1, R22i(m*buhtwpf..3 ym by p84u b and R3 are have equal resistances?


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17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  17.29: Two lightbulbs X andY ar 8) a.iucccc/re connected in series to a battery. Bulb X is brighter than bulb Y. Assume all circuit elements are i /8c i.c)uccardeal. If bulbs X andY are connected in parallel with each other to the same battery, which one of the following choices best represents what is observed?


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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 rg ws+5z-ptpgkw( x, 39nk hc0pesistor in 5 seconds once the c90p p w+,gth5kcwzkp (-sng 3xircuit was closed?


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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  00.23: If all of the resistors in the 5pw7,15jc0ysuhwc* eqi-u8:j uu m km following simple circuit have the same wm jwsek1cumpy,*u5u-u 87c0jihq 5 : resistance, which would dissipate the greatest power?


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20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  98.34: In the accompanying cirq a nae)cdr- nr(2io;+cuit diagram, the current through the 6.0 Ω resistor is 1.0 A. What is the power supply voltage Vrrqde+-;(oacnan i2 )?


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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 infat :ize9v:s -e8 0sra 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 voltage aa-s zfe rves:0:i 9ta8cross R3?

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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 to0i0q-hiu1 lhjpg 3w h/ a battery. Suppose R1 has 2j h-ligu0i3 w01 qp/hhV across it, R2 = 4Ω, and R3 dissipates 6 W. What is the current in R3?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  99.13: A heating coil is r q4rus:+m jr4d z.byo 45uy1ktated 1200 watts and 120 volts. What is the maximum value of the curt. 4m4ry sukd:jyu or+bz541 qrent under these conditions?

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  99.23: What is the rec/36: j ko5wbk l;tjvesistance of a 60 watt lightbulb designed to operate at 120 vowcv5jlb otjk 6;k/:e3lts?

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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 ms g6sjj)l;cnb:fxb(a .)kr 2s)2zay p/8 utbthat is dissipating 36 wattsf) bc/p8azt.b)6kj2bm n;)u:2sgsasxy (jr l of power?

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26#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  05.21: A household iron- swizzf 4v,6x used to press clothes is marked "120 volt, 600 watt.” In n-z,fs4i z6xwvormal use, the current in it is

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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 NOT9 x8fceqivc3k vf8 )f5 be produced by a circuit contacf v)f39k cx8q85vfeiining only three identical 6Ω resistors?

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28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  94.37: You are given three g 4vdn:r;rejtl-rb r d6ii*a o:g4l-s7 jfr141.0 Ω resistors. Which of the following equivalent resistances CANNOT be produced using all three resis4rb:o4 :jfjrrgs1 nlgra7;4di t e6i*-l-v rdtors?

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29#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.06: Three resistors of different values can be connected togetherk-f5qn ku(tf1 in different confufq5kt-knf 1( igurations. If all three resistors are used in a circuit, how many different values of total resistance can be produced?

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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 is j7v ibd 64bgt ;oh4x*mdissipated in the circuit. How much total power is dissipavo4x;h 7j6g 4*itdm bbted in a circuit if n identical resistors are connected in series using the same battery? Assume the internal resistance of the battery is zero.

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31#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  96.16: When two resisto.g(5 xikdsr1; s ++sf8mt ,(mbb rnqdfrs, having resistance R1 and R2, are connected in parallel, the equivalent resiss ( g.+k8t1,rdd bimfrn5;xqs b( f+mstance of the combination is 5Ω . Which of the following statements about the resistances is correct?

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32#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.46: A hotplate is desimk h++ s+to+crgned such that it has a resistance of 12Ω when operating at 120 volts. What is the minimum amount of time that it woutr h+kc+++sm old take to warm 0.45 kg of water from $15^{\circ}C$ to$85^{\circ}C$?

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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 diba92o gc6* pgmlx 2kl+ssipating 36 watts of powe b26gmp2kxgl9l c+a o*r?

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34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  01.24: An electric heate2ynnpr(d5c hv( c zj57r draws 13 amperes of current when connected to 120 volt2h(ynj pdczv cr7(55ns. If the price of electricity is $0.10/kWh, what would be the approximate cost of running the heater for 8 hours?

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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 s4j q n*ylkiuhe1; ywn1 *jm/, 4:fziulit continuously for 1 year atizs /fy1 yniw ;jl*munq ,41k:huje 4* a rate of $0.10/(kW.hr) ?

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36#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  12.09: A constant current of 4.00 A through a ligh9,dgc jeju4js qn96 j9ayoz(/tbulb results in a power of 24.0 W associated with the bulb. Which one of the following choices best represents the resistance of the lightbulb?ocezjj9u, 6 jn99g4s/qdjy a (

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37#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  01.10: Each member of zrg 3og,- w h8kv*b f+wy:1pjwjv 2c)qa family of six owns a computer rated at 500 watts in a 120 V circuit. If all computz wkgrf+ wwoh v-vy)q3 c,812j jg*p:bers 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?

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38#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  03.16: A 9-volt battery is connecte7dud , v/3mxvgipp(r v3a5h h(d to four resistors to form a simple circuit as shown to the righvrghhx vu(p 33(d 5/ivadp,m7t.
How would the current through the 2 ohm resistor compare to the current through the 4 ohm resistor?


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39#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  03.17: A 9-volt battery is)ybzd:d(sdwtk /1 k-h connected to four resistors to form a simple circuit as show bd1hzk:y)dtw(/-kds n to the right.
What would be the potential at point B with respect to point C in the above circuit?


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40#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.21: An ideal battery, an ide**ct/ est 3y gftk2,kjal ammeter, a switch and three resistors are connected as shown. With the switch open as shown in the diagram the ammeter reafj/ k*k3y,2ttc*gt se ds 2.0 amperes.
With the switch open, what would be the potential difference across the 15 ohm resistor?


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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, a switch and three resistors ars):of-6 ltshqhq+zx yxt/k ./e connected as shown. With the switch open as shown in the diagram thyfq6.xx+s)t-h/ /sk: oqzlthe ammeter reads 2.0 amperes.
With the switch open, what must be the voltage supplied by the battery?


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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 ant:m+p e*zx5 pgd three resistors are connected as shown. With the switch op gztp:x5e*m+pen as shown in the diagram the ammeter reads 2.0 amperes.
When the switch is closed, what would be the current in the circuit?


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43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  12.14: For the circu(mqvy(x3j2y ha rb3-5o7 u pmcit shown to the right, what is the equivalent resistance? Assume that all wires are ideal, the battery has no internal resistance, and all three resistors hhq a3r75 myopb- yv((3jumc2xave identical resistance R.


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44#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  09.07: The equivalent resistanctc3v/x *r2+nq5xvk uae of the circuit shown to the right with resi 2+cqax*r kt3uxv/nv 5stances $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ and $R_3= 2.00Ω$ is


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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 cvg ue;aj2 yh9vn.t *2combination seriecut * 2j hv2engv;ay9.s and parallel circuit to a voltage source.
Through which resistor(s) would there be the greatest current?


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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 re*m kghz-d48n9+bu)gipd msl* sistors connected in a combination series and pazb4ggh) p*-d9* +md8inlumk s rallel circuit to a voltage source.
Which resistor(s) have the greatest rate of energy dissipation?


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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 the bulbs are identical.:ha3 pr)qylv3 ovrgm,3b b6r1 Which bulb wi3 po:1q3ram r,bvr3 b)gv6hylll be the brightest?


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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 swame 3y 1olwf47ut)e,uitch and three resistors are connected as shown. With the switch open as shownfel7 myo4u31awe , ut) in the diagram the ammeter reads 2.0 amperes.
With the switch open, what would be the potential difference across the 15 ohm resistor?


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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 sw ;cp5xrfj7g*n8q)dtv73 nb1 y ms jt/zitch and three resistors are connected as shown. With the switch open as sh;/g51npdtsm *y 8trf3jjv)nc 7b 7xqzown in the diagram the ammeter reads 2.0 amperes.
With the switch open, what must be the voltage supplied by the battery?


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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 are conkp- 2fykt3r i(d)x3zy nected as shown. With the switch open as shown ind2)i-3 yxk k(r3tp zfy the diagram the ammeter reads 2.0 amperes.
When the switch is closed, what would be the current in the circuit?


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  • 姓名:游客(未登录)
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    总分:50分 及格:30分 时间:不限时
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