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习题练习：Physics Unit19: DC Circuits
本习题练习来源于题库网 (https://tiku.one)，是在线习题练习的打印版，您也可以访问本平台网站(https://tiku.one/)直接在线完成(注册并登录账号后在首页左侧输入试卷号 77 即可在线作答)，，作答电子化后可随时回放，查看每题答案与详细解析，搜藏保存任意题目；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。本试卷的直接作答链接 https://tiku.one/test77.html
 作者: admin  发布日期: 2022-08-17 15:49    总分: 102分  得分: _____________

答题人: 匿名未登录  开始时间: 22年08月17日 12:52  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  
  The potential differe;uo81 x9xr v3qpgq(fnnce between the terminals of a battery, when no current flows to an external circ1u qf qgx3o;9x v(pnr8uit, is referred to as the

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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The potential difference betweenq93.9*pcp oqml w 5 l57kt0f6ey8eig2fr e zua the terminals of a battery, when current flows to an external circuit, is r iqw5qokf57prg 03 9c 8. lyfe*t uameplz9e62eferred to as the

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When two or more resistors are connecgsm o757 :kv dmd6pq9h0 brj4zted in series to a battery

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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When resistors are connected in sejslb n0).ib1 pu w4k-s x7db5sries,

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5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Three identical resistors are connected in series to a battery. rrx:w4bb:q3(uva)tql k.k t-x*) l bfIf the current of 12 A flows from the battery, how much currenqb)a*bt-wqufv:k3b)r .l x t4 k(l rx:t flows through any one of the resistors?

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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Three identical resistors are connected in series to a 12-V battery. Whatrtuk1xu :)b ys* h56zzp) ld5g is the voltage across 1z6 urgx) dusp*5l:)hbtyzk5 any one of the resistors?

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  You obtain a 100 $\Omega$ light bulb and a 50 $\Omega$ light bulb. Instead of connecting them in the normal way, you devise a circuit that places them in series across normal household voltage. Which statement is correct?

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  As more resistors are added in series to a constant voltage source, -q2yl-whyxiq7c )q v wci 09y54wpab; the power suxl pww)hcyay q-qy0q5;7-4i cv2 w9bipplied by the source

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When two or more resistors are connected in parallel to a battj-ff-a jo *i*;tsa* iuery,

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When resistors are connected in parallel, we c d nz d6:a4uw1.iq;ilv mks)d-an be certain that

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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Three identical resistors are connected in parallel tsz/rb :2x*uqs pp 3kdm8iz(q/o a 12-V battery. What is the voltage of any one of thes3ppdrq8/z(k bizq*u: /xms 2 resistors?

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Three identical resistors are connectedq i5ukvbg k:n1r):/ rp in parallel to a battery. If the current of 12 A flows from the battery, how much current/ :5:inr)gp kkv1rb uq flows through any one of the resistors?

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13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The lamps in a string of Christmas tree lights are connected in 1/h0q-jyj bjiix0 g1jparallel. What happens if one lamp burns out? (Assume negligible resistance in the wires leading to the lax/0 jbj-ih0 gjy1q ji1mps.)

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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  As more resistors are added in parallp vak-5j)y:5;qmr jxrel to a constant voltage source, the power supplied by txj55y qjv; :p) armrk-he source

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider three identical resistors, each of resistan;jxwm6.nf;(dl n ol:f+ tl2vb :reqv)ce R. The maximum power each can dissipate is P. Two of the resistors are connected in series, and a third is connected in parallel with these two. What is them6jn(lvx: rf+d :l)qfwb;e; .lvo2tn maximum power this network can dissipate?

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16#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
State Kirchhoff's junct9xcg-e,s 2j udion rule.
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17#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
State Kirchhoff's loop ru4eo y: 3p rh,/rh;axjele.
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18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Kirchhoff's loop rule is qexvr8ykp1er- -24e ;sbbu,h an example of

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Kirchhoff's junction rule is an example u*jv-7(gblvc) vm hqj 3vk9g1of

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20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the equations here is valid for the cyt8k96);id1 +h jf* re0ajkv 3kzjrka ircuit shown?


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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If you connect two ident2vva cgxs: *,0 .rbxffical storage batteries together in series ("+" to "-" to "+" to "-"), and place them0cvx.g, *afxv:f2 rbs in a circuit, the combination will provide

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If you connect two idhl g(ws:(sa hg.b- o6gn*zo4hentical storage batteries together in series ("+" to "-" to "-" to "+"), and place them in a circuit,gn -6hghso :(soghw( *a 4.zbl the combination will provide

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If you connect two identicaz b4tq1 p4ls2(x)e7ekn- (rztflvmo)l storage batteries together in parallel, and place them in a circuit, the comb )1r72llq)( n4b-ot 4t zxevmsp(zkefination will provide

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When two or more capacitors are connected in ser(w5s t12b sv fs1xryj;ies to a battery,

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  As more and more capacitors are cot o3iqo/yewdpc*r) 02nnected in series, the equivalent capacitance of the combination increas/3qi wy)cd0epo2*ort es.

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26#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Three identical capacitors are connected in series to a battersy . 2n1-bnouwy. If a total charge of Q flows from the battery, how much charge does2nos.ybu-n 1 w each capacitor carry?

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27#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When two or more capacitors are connected in parallehatbth6 (vxuqjc-8; 5l to a battery,

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28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  As more and more capacitors are connected in parallel, the equivalent cappkrzlgpe b3/g hhr:f(7e(1.uu8 jw de qy5: k-acitance of the combination increaseskqkg5eg w :/ehr71yj-p (. :u leud(8rphf bz3.

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29#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Three identical capacitors are connected ic* ierw+iv5+:z:(e 8jl wrhji n parallel to a battery. If a total charge of Q flows from the battery, how much c(rjzlie5j+ww+ 8ihe *i r:vc :harge does each capacitor carry?

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30#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the unit for the quantity RC?cy 2x*xe+.a7,e5,cvcahknh ek 4lv z 2

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31#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A resistor and a capacitodol:*vk )vh-, nkvf cwj v+d08r are connected in series to an ideal battery of constant terminal voltage. At the moment contact is made with the b k vvvd)nv,hdcwl:o80f j-*+kattery, the voltage across the capacitor is

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32#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A resistor and a capacitor are connected ibc gbw*9vmhi3d /4ov1 n series to an ideal battery of constant terminal voltage. At the moment contact is made with the battery, the voltage across the resistdwb mov43vc 9/bhg1 i*or is

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33#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A resistor and a capacitor are connec i 4z8-dyi9mkx jx(kq2ted in series to an ideal battery of constant terminal voltage.(4qj9 2zk-im i8xxydk When this system reaches its steady-state, the voltage across the resistor is

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34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An ideal ammeter should5g zn doc +aa9)l-sc h)6y4lkp

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35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A galvanometer can be converted to an am*)h phpcp h,lczb+;4n meter by the addition of a

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36#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A current reading is obtained by w(f:9no:s vax2arp bmon1, 8sproperly placing an ammeter in a circuit consisting of one resistor and one batterysbn:ora12s( xm 8p o 9f:nwav,. As a result,

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37#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Decreasing the resistance of e m)p,hy8/ psman ammeter's shunt resistance

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38#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In order to construct a voltmeter from a gal/3nksa rpjz(eknuhd .*74 v+qvanometer, one normally would

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39#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Increasing the resistance of a voltmeter's series resiqv r-1 .wn1onsi3w ;dfstance

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40#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A voltage reading is obtained by placing a voltmeter across a reuir ,: rikx9 y9lb2;ndsistor. What happens to the total current flowing in the circuit as a result 2,rik9 i9:ly;bn uxdrof this action?

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41#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An unknown resistor is wired in series with an ammeter, and a vbz *fj47k.bhk oltmeter is placed in parallel across both the resistor and the ammeter. This network h. kzbjf4 *bk7is then placed across a battery. If one computes the value of the resistance by dividing the voltmeter reading by the ammeter reading, the value obtained

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42#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An unknown resistor is wired in series with an ammetek5- ce 6fzbdlj, (pp3ur, and a voltmeter is placed in parallel across the resistor only. This network is then connected to a battery. If one computes the value of the resistance by dividing the voltmeter reading by the ammeter readilz,k6bfj pc de3 5-(pung, the value obtained

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43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Four 20 $\Omega$ resistors are connected in series. What is the equivalent resistance?

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44#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Four resistors of 12, 3.0, b,,fx 4ho/72 msawn).xvtirj5.0, and 4.0 $\Omega$ are connected in series. A 12-V battery is connected to the combination. What is the current through the battery?

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45#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Three resistors of 12, 1 :u9 ekvsffgdb 2h6b4)2, and 6.0 $\Omega$ are connected in series. A 12-V battery is connected to the combination. What is the current through the battery?

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46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Three resistors of 12, 12, a deu v:)ii8 .9ti5chmh(8wgaynd 6.0 $\Omega$ are connected in parallel. A 12-V battery is connected to the combination. What is the current through the $6 \; \Omega$ resistor?

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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 14-A current flows into a series combination of a 350qq,akbqy.fsf i/ 5 q.0 $\Omega$ and a 4.0 $\Omega$ resistor. What is the voltage drop across the 4.0 $\Omega$ resistor?

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48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 14-A current flows into a series co b l,-:qu:xyf)ky kf;fmbination of a 3.0 $\Omega$ and a 4.0 $\Omega$ resistor. What is the voltage drop across the 3.0 $\Omega$ resistor?

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49#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 22-A current flows into a parallel combination cffk)sgq ,lws +ar+ +.of 4.0 $\Omega$, 6.0 $\Omega$, and 12 $\Omega$ resistors. What current flows through the 12 $\Omega$ resistor?

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50#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 22-A current flows into a parallel combination ofocyw78bxlg956 r( lc 0fd 4uar a 4.0 $\Omega$, 6.0 $\Omega$, and 12 $\Omega$ resistors. What current flows through the 6.0 $\Omega$ resistor?

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51#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 22-A current flows into a parallel combination of a 4.** z9pdgmpch ,(m pt)w0 $\Omega$, 6.0 $\Omega$, and 12 $\Omega$ resistor. What current flows through the 4.0 $\Omega$ resistor?

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52#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 6.0 $\Omega$ and a 12 $\Omega$ resistor are connected in parallel to a 36-V battery. What power is dissipated by the 6.0 $\Omega$ resistor?

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53#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The following three appliances are connected to a 120-V circuit: 1 ml.ybl(ktb3 s/-4hkn200-W toaster, 650-W coffeembk3/4ht (lsb.k- ln y pot, and 600-W microwave. If all were operated at the same time what total current would they draw?

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54#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the maximum number of 100-W light bulbs :to60+pjusl 1vo-dm epm 0dt(fke 06xyou can connect in parallel in a 120-V cir-e0tupkdl+o6e:ms6mo p1 dftx0 j0 v( cuit without tripping a 20-A circuit breaker?

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55#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A combination of 2.08sytu)x yz;1 a- alr6j $\Omega$ resistor connected in series with 4.0 $\Omega$ resistor is connected in parallel with a 3.0 $\Omega$ resistor. What is the equivalent resistance?

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56#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two 4.0 $\Omega$ resistors are connected in parallel, and this combination is connected in series with
3.1 W. What is the effective resistance of this combination?

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57#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 2.0 $\Omega$ resistor is in series with a parallel combination of 4.0 $\Omega$, 6.0 $\Omega$, and 12 $\Omega$ resistors. What is the equivalent resistance of this combination?

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58#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two resistors of 15 anba9; - 6tus*:bzct+vbqdz0eo d 30 $\Omega$ are connected in parallel. If the combination is connected in series with a 9.0-V battery and a 20 $\Omega$ resistor, what is the current through the 15 $\Omega$ resistor?

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59#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Three resistors of 4.0, 6.0, wc;mf tc/4gxak ,: .kgc7 .hwjand 10.0 $\Omega$ are connected in parallel. If the combination is connected in series with a 12.0-V battery and a 2.0 $\Omega$ resistor, what is the current through the 10.0 $\Omega$ resistor?

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60#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two resistors of 5.0 :u2nwc,f (roey9 am j2and 9.0 $\Omega$ are connected in parallel. A 4.0 $\Omega$ resistor is then connected in series with the parallel combination. A 6.0-V battery is then connected to the series-parallel combination. What is the current through the 4.0 $\Omega$ resistor?

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61#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two resistors of 5.0 anwn zj+llkwq 9;d :4rhq3n:jl(+ycnt.d 9.0 $\Omega$ are connected in parallel. A 4.0 $\Omega$ resistor is then connected in series with the parallel combination. A 6.0-V battery is then connected to the series-parallel combination. What is the current through the 5.0 $\Omega$ resistor?

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62#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two resistors of 5.0 ane un9u ,y +5gumokfr+3d 9.0 $\Omega$ are connected in parallel. A 4.0 $\Omega$ resistor is then connected in series with the parallel combination. A 6.0-V battery is then connected to the series-parallel combination. What is the current through the 9.0 $\Omega$ resistor?

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63#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 3.0 $\Omega$ resistor is connected in parallel with a 6.0 $\Omega$ resistor. This combination is connected in series with a 4.0 $\Omega$ resistor. The resistors are connected to a 12-volt battery. How much power is dissipated in the 3.0 $\Omega$ resistor?

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64#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the total resistance of the circuite 1qkt 1(kg:m ba1e2iu in Fig. 19-2?


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65#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If $E = 40 \; V$, what is the voltage on R1 in Fig. 19-2?


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66#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If $E = 20 \; V$, what is the current through $R_3$ in Fig. 19-2?


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67#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If 1.5 A flows through (ap u3*qsvo w($R_2$, what is $E$ in Fig. 19-2?


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68#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the total resistance of the circuik 5ftv v; v7bpccvy.qd-:.+zpt in Fig. 19-3?


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69#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If $E = 100 \; V$, what is the voltage across $R_5$ in Fig. 19-3?


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70#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If $E = 4.0 \; V$, what is the current through $R_6$ in Fig. 19-3?


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71#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  For the circuit in Fig. 19-4, determnbfj ;q /1-qrhine the current in the 1 $\Omega$ resistor.


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72#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  For the circuit in Fig. nkrf+g8k5.a160 f: nkzdaxsk 19-4, determine the current in the 3 $\Omega$ resistor.


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73#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  For the circuit in Fig. 19-4, determine the current in thayb : ),wl+idms bo+oj62i1v he 4 $\Omega$ resistor.


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74#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the potential of point A relative to point C in Fi ais 4r9kt.2jig. 19-5?


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75#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the potential of point B relative to point C in Figahs 7ams.fdr +r/9kt1 . 19-5?


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76#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the potential of point D relative h wi1jhq5vk.9p 5pri+to point C in Fig. 19-5?


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77#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What current flows from the 4 /3mdosm7) kdhbb 7ovbattery in Fig. 19-5?


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78#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the potential drop from point A to point 88ir- nmg1 p, mey2i 47seikcgB in Fig. 19-5?


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79#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Determine the curren swzq7tc w.7iw i7y*+ut in the 7 $\Omega$ resistor in Fig. 19-6.


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80#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Determine the current in the 8 dr6wmto/2i0ggb h l;+$\Omega$ resistor in Fig. 19-6.


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81#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Determine the current in) e0rdvwmb4g41k*h xv:ma ow ) the 4 $\Omega$ resistor in Fig. 19-6.


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82#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What current flows in tlod oa:. :1 +treu0qtas2joby2 rrog5 9 b2rt+he 12 $\Omega$ resistor in Fig. 19-7?


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83#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What current flows in wvbo6 ap-/;w fthe 18 $\Omega$ resistor in Fig. 19-7?


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84#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What current flows in the solid wire connecting the upper left and lower l ig1zana7vkb9m) 3s8s eft corner7m kzs 8a)ab1s3g nv9is?

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85#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Four 16 mF capacitors are connected in serie yil(y; rf.zlxyz n+,5xrh3 *ms. The equivalent capacitance of this combination+irn zzf*ly;my3r (,. hxlxy5 is

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86#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  5.00 mF, 10.0 mF, and 50p1eu7 7f6 np0immzg5o2 vr ds*.0 mF capacitors are connected in series across a 12.0-V battery.07im7g 6drv*osm 5uepfz n21p How much charge is stored in the 5.00-mF capacitor?

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87#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  5.00 mF, 10.0 mF, and 50.0 mF capacito k,gl)l 1j)sodrs are connected in series across a 12.0-V battery. What is the potential difference across the 10.0-mF cak,ogs j1d) l)lpacitor?

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88#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 1.0-mF and a 2.0-mF capacitor are connected -7 aact1kidzr( +v0 qxin series across a 3.0-V battery. What is the voltage across the 1.0- aa ckt 7xz0-1v+i(rqdmF capacitor?

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89#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 1.0-mF and a 2.0-mF capacitor are connected in series across a 3.0-V .2gto+* knoso battery. What is the voltage acr*g.nko 2tsoo+ oss the 2.0-mF capacitor?

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90#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  1.0 mF, 2.0 mF, and 3.v vszea9,. ,ocf1s2vx 0 mF capacitors are connected in parallel across a 24-V battery. How much energy is stored in this combination when the capacitors are fully charvzvfecxs 92 a, svo.,1ged?

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91#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Capacitances of 10 mF and 20 mF are connected in parallb7l hk6e2e(ecn a3zb0 el, and this pair is then connected in series with a 30-mF capacitor. What is the equivalent capacitance of 2lze 63ecn e(habb07 kthis arrangement?

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92#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two capacitors of 6.00 mF and 8.00 mF are connected in parallei0:.mvh:j,fej yr8 t jalh 9k)e(et z6l. The combination is then connected in series with a 12.0-V battery and a 14.0-mF capacitor. What is the equivalent ctleie9fjhk,v j :: 6.j t(rm08)y ahezapacitance?

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93#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two capacitors of 6.00 mF and 8.00 mF are connected in paraa,s2+le+ tf rgllel. The combination is then connected in series with a 12.0-V battery and a 14.0-mF capacitor. What is the charge on the 6.,el ar+s+ftg2 00-mF capacitor?

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94#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two capacitors of 6.00 mF and 8.00 mF are connected in+jt73q4zp +ctrylnjz6.3ft0wl : wb,v 9 ider parallel. The combination is then connected in series with a 12.0-V battery and a 14.0-m3ceq3f 4zl d: nibtjjtpwl,v+ w6 9ty07 rzr+.F capacitor. What is the voltage across the 6.00-mF capacitor?

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95#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 2.0-mF capacitor is charged through bz9 fk) bsi80aa 50 $k\Omega$ resistor. How long does it take for the capacitor to reach 90% of full charge?

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96#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 2.0-mF capacitor is charged to 12 V and th.hnqok hx.0q 0phtna h -q)8kdlh)v:- en discharged through a $4.0 \times 10^{6} \; \Omega$ resistor. How long will it take for the voltage across the capacitor to drop to 3.0 V?

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97#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 4.0-MW resistor is connected in series with a 0.50-mF capacitor.mei w 7r6f0s* 0ln5v1wbacge 6s+ e9hc The capacitor is initially uncharged. The RC combination is charged by a 9.0-V battery. What is the change in 5+eb nlfc 6c0 1ws*m06ehe gri7awvs9voltage between t = $RC$ and t = $3RC$?

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98#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 4.0-mF capacitor is charged to 6.0-V. It is then connected in series with a ogs j3h ft/;l.3.0jo3h./ l;s tfg $M\Omega$ resistor and connected to a 12-V battery. How long after being connected to the battery will the voltage across the capacitor be 9.0 V?

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99#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A galvanometer has an internalegosldeu5n*6+g.xq( :tkh1j* v.wng resistance of 100 $\Omega$ and deflects full-scale at 2.00 mA. What size resistor should be added to it to convert it to a milliammeter capable of reading up to 4.00 mA?

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100#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A galvanometer has a coil with a resistance of 24. xun mnpjg*),7gdo55 s0 $\Omega$. A current of 180 mA causes full-scale deflection. If the galvanometer is to be used to construct an ammeter that deflects full scale for
10.0 A, which resistor is required?

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101#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A galvanometer has an internal resistance of )0muwm-uniy6 6o6 t 3a3eftzv 100 $\Omega$ and deflects full-scale at 2.00 mA. What size resistor should be added to it to convert it to a millivoltmeter capable of reading up to 400 mV?

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102#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A galvanometer with adu mbmtf: .nftr w4kx *p-zw8zr(/4a 5 coil resistance of 40.0 $\Omega$ deflects full scale for a current of 2.0 mA. What series resistance should be used with this galvanometer in order to construct a voltmeter that deflects full scale for 50 V?

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