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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 electric4 ; p7yqq -ulnx5pem(l current exists in the metal resistor connected to the battery. Which one of the following choicqepul5n (yp4 ;7 lqmx-es best describes the direction of electron flow through 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 resistors are conneq*4g j1c qgi 34t5vljn:dd cu-cted in parallel, the_________each resist g-q3:cu igd j*4lncdjqv145tor is 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 cauy *e1cixc d,;nses the filament to become white hot, while the larger wires connected to the lightbulb remain much cooler. Tn yc1i,* cde;xhis 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 wpjs t7dt)4ycz x)g 3)zith LEDs. LED is the ac)t)pjyd )s7gx3 zzt4 cronym for which one of 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 resistor has length L and cross-sectional /kb4 ai,z;sej area A. It is 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 newk;iazbe j,/4s 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 madew9picih4 0eq w-:4m gvewfi +0 of the same material. Wire II has twice the diameter and twice the length 0-wfew:+phiqm40 icg9e4 iv wof I. If I has resistance R, II has 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 bu .9xzp,k v1oipemfng y,rg-1,t has twice the diameter and half the length of wire X. If wire X has a resistance of R then wire Y would have a resistanmkgfnry1z-. ,i,9x 1gop,e p vce 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 resistor hajhf4r7ts eww /8rceq89a ap0:7b8 geyltk y- 8s length L and radius r. This piece of material is then drawn so that it is a cylinder with new length 2L. What hapgtjw74r80 a kle b:ypr q9w 78hs/tfee88ya-c pens 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 a brighter light bulb. He decides t3s wv x-g(umsvdt:k:n9 w jj6.o modify the filament. How should the filament of a lightbulb be modified in order to make the ligh6m3w9j-gn(st jv.:dxv :us k wtbulb 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 lengthok*ficlw8,3e 8wyy0jq 1f:lp and radius of each resistor is*lc e:wy,koj8q fli8f1y0 p3w:
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 -duq uw2gwrla z-lvt :.-2yq m/pn7:g8n+r ofR, are connected to a battery in the following way: “Two resistors are connected in series. This combination of two resistors is connea2t yzndovr 2 l.g-/7up:um8-fwwgn rq l-+ :qcted 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?

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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 has internal resistanrolds .q/7k8*ye,pz dce 10.yd78dl,*qko .se/z pr0 kW and the ammeter has internal 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 c4ey; )vdexpn 6ircuit shown to the right. The three bulbs 1, 2, and 3 - represented as resistors in the diag e);d46vnpy xeram
- 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 circui8u1ko7anvq3 * z oyc2/w )hvkat at the right. If the current in all three resistors is equal, which of the followiv8n)hqa3 k a27/u1okowcv* yzng statements must 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 ri)o3 6cno3 op(vdwhz0h ght represents a simple electric circuit composed of 5 identical light bulbs and 2 flodn3wh v3pcz6 0()o hoashlight cells. Which bulb (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 following statements is NOT true concerning the simple ;g,yte /u4fwr7c0d4q a,p6w s z0nh tacircuit shown where resistors R1, R2 and R3 are have equal resistac gdn7ut0yae,zr4, ;t 6 0sawf/ pqw4hnces?


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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 are connected in series to a batterygm tnw/m2ya 0 gueg*k 3 o*2bqxk53yn a0k3m/l. Bulb X is brighter than bulb Y. Assume a l2kamtyu k 0n*gomm32 ba0*kwy/qnx geg5/33ll 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 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 idend1-x*fz*3ier u rtyn -rq na/+tified resistor in 5 seconds once they nd-rf*r-aer utx/ 1q*n+i3z circuit 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 aqqi )x dts d75/h*z1d following simple circuit have the same resistance, which would dissipatzi5 1 7hda)dq/t*sdqx e 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 circuit diagram, tdhb /v3+tx( v xi11 oc7nry1cuhe current through the 6.0 Ω resistor is yxuxb+7cvi 3 odvh11/1 (rtcn1.0 A. What is the power supply voltage V?


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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 in series to a r u; :,m8c35rdlmjw; ineqne;battery. Suppose R1 carries a current of 2.0 A, R2 has a resistance of 3.0Ω, and R3 dissipates 6.0 W of powereuri5 nd: m;3;r l;c,qj8mwne . What is the voltage across 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 inrqwbkb-(e7j5c 7x jttx3/ rm/ parallel to a battery. Suppose R1 has 2V across it, R2 = 4Ω, and R3 dissipates 6 W. What is the current in R3?/r-c 3tw5rk (bjet7j 7bx/mxq

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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 rated 1200 watts and 120 vo e(mp5yo j99ozc 8hea cst8d06lts. What is the maximum value of the current uned5t p6a oo yj98h8ecc0m(sz9der 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 resistance of a 60 watt lightbulb designed q1x0v nn 2ov4 b-ox65hrt am)ptn6s.uto operate at 120 uo-srxtn1 va0)p5 v6 2n6oh4nxt .mbqvolts?

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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 that is dissipating ; mjr.di vgs.*p,nsy /q:i:jw36 watts of g.i. ;/*: jm,s viswpyjqdr:n 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 used to press clothes is marked "120 volt, 600 watg qx. ;0e wipu7j(djv4t.” In normal use, the cud;x0 i7(pg4wu eqv. jjrrent 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 followings blmh+es.f- uyb.64c1 +5i 5qrk, ouxvymgx1 resistances could NOT be produced by a circuit containlmu 1y y51. +vq5kcigxbu srm6,- 4box+. hesfing 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 1.0 Ω resistors. Which of the following eps/e g7u g15;f tz*;tgv mmm 0 -iposu;6a9ormquivalent fso;;5g*m v zr g9t imp1moepgtm706 -s/ua; uresistances CANNOT be produced using all three resistors?

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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 togethe o7pu+7y,sufrd xrlm k)* 8n5xr in different configurations. If all three resistors are used in a circuit, how many different values of total resistance can be produce7osf,x* 8x ryr5+d)klu7mupnd?

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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 totax)hqy , +n7zntl power P is dissipated in the circuit. How much total power is dissipated in a circuit if n +yt n7),qnzhx 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 resistors, having resistance R1 and R2, 2-f7 /-/gvgql mnx tddare connected in parallel, the equivalent resistance of the x ggq2m nd/ v/-f-d7tlcombination 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 designed such that it has a resistance of 12Ω m1 2au3tqwf96 zui)jc when operating at 120 volts. What is the minimum amount ofa) 162m39fu jqt uwizc time that it would 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 isurk* 4j3eus4i1awja6 k+j i+e hf5gid m62,hz dissipating 36 watts of po 6 j4 mhikia5ser zu*kjwei,fg a2h u1j6d+3+4wer?

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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 heater draws 13 jfp+ r a)hqx2wrj -r8.amperes of current when connected to 120 volts. Ifraxw jj.2q p+8r)frh- 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 *mim ,0carj-qto keep a 100W lightbulb lit continuously for 1-m,jac q ir0*m year at 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 lightbulb results in a pow 4x6.re:asmfber of 24.0 Wx: 6emfb4.rs a associated with the bulb. Which one of the following choices best represents the resistance of the lightbulb?

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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 a fa2l0et hue2sr8 mily of six owns a computer rated at 500 watts in a 120 V 2urseeh 0 28ltcircuit. 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?

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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 connected to four resistorc:frt k/fj +f,s to form a simple circuit as shown to / jrkff+,:tcfthe right.
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 connected to four resisltib31aevq gs0 z.h3* tors to form a simple circuit as show3izv*lt g 3.bhqae10sn 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 batte za2bkhjg01+ sry, an ideal ammeter, a switch and three resistors are connected as shown. With the switch open as shown in the diagram t jb+k1gh za2s0he ammeter reads 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 resisto efm6ht 9wlg+wyb,-a4 rs are connected as sho+ yt9g m a-wbhfew4l,6wn. 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?


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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 and three resis2(cf c(e cii bzj(3lh:tors are connected as shown. With the switch open as shown in the diagram thjhe(cz3cf(2 ii cl( :be 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 circuit shown to the right, what is the equival mz:a:/yx sqz7 ua+r2lent resistance? Assume that all wire laa xrzz /mqy:s+u7:2s are ideal, the battery has no internal resistance, and all three resistors have 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 resistance of the circuit shof9svh z nn8);hbar*6 a:d9uiw wn to the right with resz8hd*n v 9)fu9 nra6b;wasi:histances $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 connectedarzq1ybd2 ms:mbp w: yyg;,, 6 in a combination series and parallel circuit to by,1 :g,rzmdabsym ;26qp y:wa 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 resistors connected in a combina1lhzq d co0atw+ o0tp1 6+ (q/1rrq u14awggdrtion series and parallel circuit to a voltage source.tc1+q0w+r hroudt1aw (z6ql 411aro/g qgd0 p
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 identifazim):z z0ejaqx/5 n3l edyr ;.io2 3 cxx3d9cal. Which bulb will be tx qx ; x amodj z03r.i):cl3fd3/zey5a9zni2ehe 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 switch and three resistors are m8ijxb :a-i,p connected as shown. With the switi: bm,a8 -ipxjch 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?


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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 swi u1ico*0g,l3hz6 n ujttch and three resistors are connected as showouc6hj*0n g uzi lt1,3n. 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?


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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 batterl31f(l eiw0 iey, an ideal ammeter, a switch and three resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads 2.0 amperee w31lfi(i l0es.
When the switch is closed, what would be the current in the circuit?


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    总分:50分 及格:30分 时间:不限时
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