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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 difference between the terminals of a battery, w zpn2aff * 39*9qgvy;jvh0nv ghen no current flows to an external ci9f2ahg* ; g0pnv3 qvv*fyz9 jnrcuit, 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 between the terminals of a batntu): .bn+ech6lj2bfo5 +nc.v ;tn k vtery, when current flows to an externalf+jn5v nbc . t:n.utv khl;o) e+6nb2c circuit, is referred 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 connected in sa*bl5owb(q)( s raz,geries 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 seriesjrub8 6d(hb, w.m*o ki,

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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. If the cur lv2y kta0a i5lkl;72br( m.srrent of 12 A flo mkvlr(72 25s;lbt. ryliak a0ws from the battery, how much current 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 .fd3 lvn; a)( v4t8d itfp5odfto a 12-V battery. What is the voltage across ;i)t .ad tp58 3o(f4v vfldndfany 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, thenr.l5-lugcuk*4 4rh wd n+ 9zb power supplied bkzlcg-*n b4h + u95l4wnu r.rdy 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 f7(h a6iv8wl,)liobt battery,

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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 jf 9+ex m9wu6tl6vza*can 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 to ywh-.hwy 0c( 1ne-nqx a 12-V battery. What is the voltac (ne w-n1hw-yxqy 0h.ge of any one of the 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 connected in parallel to a battery. If the jx 6hfvt1ey.7current of 12 A fl fy1te.j6 x7vhows from the battery, how much current 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 parallel. Whatsv m xv e 4e4 ulp(;/o3dmbm4hq:f2a4d happens if one lamp burns out? (Assume negligible resistance in the dfx44/: aemvmo 3 s2v4(4 ;qlbuehmpd wires leading to the lamps.)

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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 add6rcxbry9;i yp6rrb sc :j6,9a ed in parallel to a constant voltage source, the power supplied by tc6 ;9 ,sbxybjpcra9 :6r6yirrhe 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 resistance R. The maxim 9nbl+wy7stvd. bqg4/v,.oo a um power each can dissipate is P. Two of the resistors are connected in series, and a third is connected in parallel win.bbw vtgdy9+ oo4/ ,7.a qvslth these two. What is the 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 junction rule*xf v 1 :xlb ;w9q.qpgmf3oz4m.
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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 ru,gat08xvo (a dle.
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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 an exa ,0fyvub2.na w 1n(3 jfgiyja*0bt ;uhmple 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 4 ; srk8x)b9jeiwmz7b an example of

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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 circuit shoa43q fwpu85r0 4itshx* qom y.wn?


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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 identical storage batteries togethe253wflwrce ( cb-+fj / sfpy/pr in series ("+" to "-" to "+" cc/fs3bf +wf wpl - p/r(5ejy2to "-"), and place them 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 identical storage batteries n(j bouc 0h,7,haw ,xfh8 *kxotogether in series ("+" to "-" to "-" to o, 0xbfac *x8u ,hjohw(hk,n7"+"), and place them in a circuit, 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 id6u9n.aadotq/ hb zl :3entical storage batteries together in parallel, and place them tobz:96h . lanq3u/dain a circuit, the combination 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 series to a(ltr8r)+ck i e 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 connected in series, the eqgp loht7s4+gd j,b7/fuivalent capacitance of the cpht ogg7 /b+fsd j,47lombination increases.

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26#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Three identical capacii7vdfu+l1w c2:x c3tytors are connected in series to a battery. If a total charge of Q flows from the battery, how much charge does elwyvtif1d3uc7+2 x c :ach 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 sv0u w5ix3* gzdy2*ntare connected in parallel 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 c8hqjqw:4 hcdl vc754iapacitance of the combination ilvc5wdqij4q8hh :c 4 7ncreases.

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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 in parallel to a battery. If a ts7c xl6b8c:og vgc9al,r 64fsotal charge of Q flows from the battery, how much charge does each capacitor o:lv7sa,cfb69 s 4x 8crgc6gl 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 qdct4m4l-qe*b 2cgtu( uantity RC?

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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 capacitor are connected in series to an ideal battery of cons:z+)ifdo (rti tant termfzrd +)toi (i:inal voltage. At the moment contact is made with the battery, 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 in series to an idealg6 /x(l8rlrrritofu.5 e,yh4e l 7)ro battery of constant rfr l74x, ) lel 5uohr6.yoerit8/(rgterminal voltage. At the moment contact is made with the battery, the voltage across the resistor 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 e e c35;:kveqxconnected in series to an ideal battery of constant terminal voltage. When this syste ;e:vexe3ck5 qm 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 shou0bbe j ,:9izsaz2f t lk3ni5utb4g18pld

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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 ammeter by the add te*mpqb b+*w4ition 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 properly placing an ammeter in a circuit9;asa p9c 5qal05 ixis consisting of one resistor and one b9p5asxisi5c ;al q0a9attery. 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 an ammeter's s0tt2+gt sitk wg3-d/ fhunt 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 constructc -vn4zpjt tt3b9p2o7 a voltmeter from a galvanometer, 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'ptw(n ph- e/oryq5c qw)yd -/:e);wuls series resistance

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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 voltmete w//o c)t+ vlx:/qohj*k rq.amr across a resistor. What happens to the total current flowing ioq/*vxc t./ mrj)qwolk:+/ ahn the circuit as a result of 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 hwzx* t,ow, +h2kt76adqmc2eis wired in series with an ammeter, and a voltmeter is placed in parallel across both the resistor and the ammeter. This network is then placed across a battery. If one computes the value of the resistance by dividing the voltmeter reading by the ammeter reading, the value od7wzmh2 oq,tx6 te*,2 ck+hwabtained

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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 si5 +e not n w7ha8t3o /*fz,h*gpjaa7neries with an ammeter, and a voltmeter is placed in parallel across the resistor only. This network is , jn8o*g5h7piz+* 3/n aaefhantw7tothen connected to 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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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, 5.0, and 4.0 i1md i- o788f)cxnqc5iynb6a $\Omega$ 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,*dh;ci jqo 7(g 12, 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, and 6.0scm5 3y25ayv,bhm7a w $\Omega$ 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 t2. uawdpja1cnq8 tnmx /-9g* series combination of a 3.0 $\Omega$ 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 combination of 057 svb smyirr6pw:qw9s3rn+ 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 combihk-t( y7ecr 6jnation 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 pa;pyz-1hz6jw d rallel combination of 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 parall2kuxym:n6ux-3 cnm za z8 e1.kel combination of a 4.0 $\Omega$, 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 connectc sgw *))s nk9vrj9tp:ed to a 120-V circuit: 1200-W toaster, 650-W coffee pot, and 600-W microwave. If all were operated at the same time what total currentwcj: k*9 gs spn9)v)tr 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 nu+j;h 4t(y kpbo:o1 zfhmber of 100-W light bulbs you can connect in parallel in a 120-V co+:j;1 t zp4h fokybh(ircuit 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 2.0)clnku+nr g/7a:5vm x $\Omega$ 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 and jqtcyc*.e t ,r)s4hk+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, an wozvk+p1( y)md 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 anxq,v*m bd.9fo.zzkp8 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 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 and 9.u0)0 1 sts.4kuazj;3v yihipm0 $\Omega$ 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 a7in5f bw ;:x6mlv kco8nd 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 circuit in Fig. 19-nlis y;4 .n:kq+ f*)fikf(v kd2?


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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 ls, e3pf/h e*g zmpmr8m1/ q-r$R_2$, 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 ogd/ *d.9itvolf the circuit 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, determine the current in /-v 3vrg*n ;dqoftx 0*c bx0tlthe 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. 19-4,qg,g5 a bkxj4.hpf5-f6aq(w f 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, determine2 ;c0p ap,j/ohon+aw7u rren7 the current in the 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 bvujyeu v6 x/n27u*v+Fig. 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 relm9 vx. vm1 5q-gshhkqcd1:w7oative to point C in Fig. 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 17 ird (x6v58d)idi(enytdop2uo rc2 of point D relative 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 battery in Fig. 19w3 ez/9:inmyc 1kyb) wfhhp2pjr6ly4:/q b9v -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 B in Fsum v;am .6 bw6os3 vd-e3irx/ig. 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 current in thez5b6lj: gx .7d;*sk ;e2hb pdr3 tjdqj 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 i7xq f/n7ysow*n the 8 $\Omega$ 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 currenfcd s2iu0u++ b-yri:l t in 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 m-yml ( dait+ep2;d:xthe 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 iny6vl(y ir8o /yn83q*a:xczk pn eh b64 the 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 i6 s4roa1 ennm(n the solid wire connecting the upper left and lower left corners 1ren6n 4ms(oa?

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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 sergf-*oo l(6 s+umv9w81o5ls;k nr 0xsx esay3 sies. The equivalent capacitance of this combisl-uors8l f (asm0s 3 59*x;+ ok16vego nxwsynation 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 5. y o0zv15l*j iz,c kv3yyrhz/0.0 mF capacitors are connected in series across a 12.0-V battery. How m3 yc,0h y1zji 5yrlovkv*z./zuch 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 :zx dj jfo dj(r445rqvr)qp4650.0 mF capacitors are connected in series across a 12.0-V battery. What is the potential dj 6 )dro 4j zq(fqrx:5vj4prd4ifference across the 10.0-mF capacitor?

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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 ci kx5d32 xqy iowhz)8hf) -9ntonnected in series across a 3.0-V battery. What is the voltage across the 1.x w zy -oi5qnh2d)kh) f38xi9t0-mF 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 acq2 3;b5 n4 4xdxggnwi(lyr. wtross a 3.0-V battery. What is the voltage acxnwiynx( g34 l4t5wrq;d. g2bross 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 3.0 mF capa;c(8pmj rfw 1acitors are connected in parallel across a 24-V battery. How much energy is stored in this combination cp m1a8j;frw(when the capacitors are fully charged?

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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 parallel, and this pairqw6 .int+t0l r is then connected in series with a 30-mF capacitor. What is the +it.6qn 0rltwequivalent capacitance of this 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 parallel. The combinationnink dyg*8j3 11 lchk/ is then connected in series withykc18g13 /ih jk*n dnl a 12.0-V battery and a 14.0-mF capacitor. What is the equivalent capacitance?

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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 parallel. The coheh-346m r(s.rkubo 3egywc+ mbination is then connected in series with a 123.y3 m(go r- breuc +wh6ske4h.0-V battery and a 14.0-mF capacitor. What is the charge on the 6.00-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 connecte k7ntd +lwk(qp9u)1jud in parallel. The combination is then connected in series with a 12.0-V battery and a 14.0-mF capacitor. What jkuq(d9lk)w 1 u+p7t nis 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 cz wi7m7 :pwd(mk)n 6,mt zqc,yharged through a 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 cqh i .8d8z-mldharged to 12 V and then 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 capac-z55g.gk)rv/ -a xaw 7czk+mv9hwh ovitor. The capacitor is initially uncharged. The RC combination is charged kmxr)zhwo 5awvg -v- 7./avcg+z hk9 5by a 9.0-V battery. What is the change in voltage 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 qomt l 2+q m;vbur3(/ua 3.0uvotl qbmm/3+ru2 ; (q $M\Omega$ 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 internal ree gdxxv 8wl58y)2,re qsistance 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 u9hdi fm*; l:ym sc0z524.0 $\Omega$. 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 )-u7 xv fs1hkhi kj5q7qy ec.+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 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 a coil resistance ofvi5 qogp2fnlh; (15az 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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