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习题练习：Physics Unit19: DC Circuits
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 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 bed-r w u ;lx:;5.dxgiiptween the terminals of a battery, when no current flows d:g;xp drxw -5ui.;il to an external circuit, 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 differfg)ez8qiuf7jv7wl.: fs 2i8mu h58c pence between the terminals of a battery, when current flows to an external circui ucwf8u:7s78zhf)peijmvf8.i 5q l 2gt, 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 ia c) umt2(dgcwcc x:-kxab ys 5a.ri2w x..m3/n 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 seriesw+ ot; 0x:tdjq g2ka.p,

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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 curres)c7:mb s4t m0 f+znxynt of 12 A flows from the battery, how much current flows through anmz) :+t7b4 fsmcx yn0sy 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 a3 k/0te .0 okkzqvfk*dre connected in series to a 12-V battery. What is the vfqo k0*tkv/d.k0e 3zkoltage across 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, t:5h2eq)ufz hvhg g ematp8+ 1*he power supplied by the source)zue:t5pf8mh* 2aghv q e+gh1

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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 resistoqpc1o9o c3ox6( m h( mfv8g4x,ohzx0srs are connected in parallel to a 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 paralle5dfogxq(qt1. r k 9jk/l, we 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 pk umfr,e)on:9rhe43s8; li2eo vfy 5i arallel to a 12-V battery. What is the voltage of any one of the resisyrlo , 5mesfir8u 34 eivf;ok:) nh9e2tors?

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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 parallei:hb(aeah 2 o csk9s*.l to a battery. If the current of 12 A flows from 2chi:eah9 s*.b(ak s othe 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 m676+jeyd djx +e 0doulights are connected in parallel. What happens if one lamp burns out? (Assume negligible resistance in the wires lea oue+j6y ed60jdd x7+mding 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 added t3;nm6g i9q jt)ey2t*d1tw kc in parallel to a constant voltage source, the power supplied by the sourct tqn)m31*y dj2g ;e6 ittkw9ce

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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. Therp*oj2zq8kxtz qf*-b66* js o maximum power each can dissipate is P. Two of the resistors are connected in series, anfrzx** j*ok68j2os6bz ptqq- d a third is connected in parallel with 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 juhm x lezq) :e+tl;y4h(nction 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 loopkl :z u0i1f9)t7utivyh8sdz +. due*l rule.
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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 ;av d +i2jcw6-9avth,:a ztp dan 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 ofta 0-sdyzm-i+jj1j6 f

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20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the equatio ((q949peybe8dy/ iznjns u.ans here is valid for the circuit 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 identical mpi /t io rau:dnljnks9z.:s h+3*/2gstorage batteries together in series ("+" to "-" to "+" to "-"), and place them in a circuit, the combinationo*2 rp.:z9 /dn u: /i +mjnlstikash3g 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 battew*(ns/: en 5i566obwru p tatdries together in series ("+" to "-" to "-" dp (re:/s5* ta 65untno6wi wbto "+"), 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 identical storage batteries together in parallel, and plaw yteex50i.:x.jsul2 ce them in a circuit, tlej5:ut0 iews .yx2 .xhe 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( rpo5y w1.vnw in series 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 capacitoyh ,-qo*7 ci43;yodiiwl gxg hnjz,89rs are connected in series, the equivalent capacitance of the comb, ,ghnxo 9 i-3o4;gqyhidyl87w i*zjcination increases.

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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 4chocnt-5 2vbi-ho o+ to a battery. If a total charge of Q flows from the batteno-2bc+ ho-voc ith 54ry, how much charge does 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 conneqy /.3kboq l,9.kcf/2sb pmy lcted 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 capacitor 5kbocmvjx.00 4c.tf fs are connected in parallel, the equivalent capacitance of the combination iccom04 5fxf.vjt .kb0ncreases.

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29#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Three identical capacitors ar y 3l1j:e2yhfhe connected in parallel to a battery. If a total charge of Q flows from the battery, how much ch13jh2 yf eh:lyarge 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 quantiti0).j 8i/j8wghpmtv )nx vim5q4yhl(y 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 c,nnj )1p*qtle onstant terminal voltage. At the mom*te,n n1jlqp )ent 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 ideal batteryiab4 fq89d2js of constant terminal voltage. At the mom89 bsfiq 4dj2aent 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 connected in series to an ideal battery of kfyz:swc t co/4*5 7fpiw vf.8constant terkfwv w.5ftpio 4z:fcs8c/*7y minal voltage. 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 shoulcr;rn5d* .gkkdjh zt/ 7a4n e(d

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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 co8ww ac.3zgr n;nverted to an ammeter 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 profdr .+o2babvh w y/21f2u0 ukajz1m;kperly placing an ammeter in a circuit consisting of one resistor and one battery 1o uu2daf /k rbb1h 22wyajzvm;0.fk+. 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 shunt resistanvg44lk 1jp z05 exmtup6 mn45sce

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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 galvanometer, one normallm0e 8;z; a kee20bu+fyzf.t+)tktwhv 1emf x/y 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 2,wo htv /+ss 7;hs*irepe2pd of a voltmeter's 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 volttc ag8 mw pt6 9*6qw.knf09vjxbknz:0 meter across a resistor. What happens to the tot a6fkj m8pb*kvtc6g9.n90:n qtz 0xwwal current flowing in 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 is wired in series with an a.o)kj dm*i v*fmmeter, and a voltmeter is placed in parallel across both the resistor and the ammeter. Tim*. ) *odjvkfhis 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 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 sh,9h85bst dx2tqqq ;zeries with an ammeter, 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 amtdsb,q5xtz q9hh82; q meter 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 yvdiwr8jht3irkppn+v8:89-x- an( z, 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, 12, ,xq h+a3 qzgex(vkbagtrvnv./, ,w2 1and 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 127 v.tiri/vr x:, 12, and 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 serie(ce fb(ig7g2 fs 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 a zs31kf27xl cp 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 intqysp qc-../k upbg9+8(kgacxo a parallel combination 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 paralzr 9: 8atot(eslel 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 parallazqx6i;+tqg nz0 q3k wn0* nxj33l: bjel 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 c )acq8gzvifpyc8x39 yww(ox0m5+ f-b onnected to a 120-V circuit: 1200-W toaster, 650-W coffee pot, and 600-W microwave. If all were operated at the same time wha)yg8f wcp yi v-8x+(90 xw3mz5qbafo ct 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 ob5o.(mg yx13.0db dc4 w7 h nmjyf3vvjm/ c.rhf 100-W light bulbs you can connect in parallel in a 120-V circuit without tripping a 20-A (3 3 4m.dr/f.h7cbx0o dcwb n5hmvyj vmg1jy. 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 a9nend z*7x7) j3guq 61 hgzge$\Omega$ 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 3s3sag(wxrka8/z */+x dh: zw k0 $\Omega$ 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, and 1 e-x7t/wq ;nwh;k or/l0.0 $\Omega$ 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 and 9.01i p rzk/jif pzw*/rw s/mh.70 $\Omega$ 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 3jc;lvuei u,+wt4* d 6ut3f + g;kkldqand 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 and 9.hax7dx9)ch 7vzjw(/ s0 $\Omega$ 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 resist / 6dzn,isqxx3nis1w 8ance of the circuit 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 kzw 60)zdz 5gpnpu4:gi; mc9l$R_2$, 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 tc9e hb yu9;6t +nce-ohhe 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 cujc;cyrr a 7m06rrent 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. 19-4, determine the current8f al7l 06a wj0cqm*zi 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, determimf3iy+*mq qw *ne 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 poinoc51s5u xom x3t A relative to point C in 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 relative to point C3 bu.e(ezs18naffo4fi z11rg+uwt/f 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 240 s py caea.u(t;vs*n7uy yuof 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 bxvwj sfz6m/m7tp 5(t+d* wx0sattery 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 p4 zz,8*.zbx n vvzq;upoint B 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 currentm8 ecf g +o*k6dz9spiqol7+v, 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 inso19pn7kpp sah+l z3 -)kwnej5m tx71 ,jp;tg 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 current in the 0xgv juv 3c dg..31mebgv*i g+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 the 18t 7qyu0/fuilgbc5lfn / qa-02 $\Omega$ 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 the 18 z+zpy wmupt 8 2;/aq/d$\Omega$ 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 0+ w80y fbkpzpri3(zvku t9p y;sw34vconnecting the upper left and lower left cornert yp9py0z vr(zkkuvw0+f 8 4bs3;3iw ps?

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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 series. The equivalent chzmlmq);lw j4 e- ev+dk s7(b,apacitance of this combinatioj-mh4dem(e q ;zvbwl+k ,7)s ln 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 50.0 mF capacitors are connected i8c,atuu-4pl5j1d nbdn series across a 12.0-V battery. How muj8u ,-1lu4 ant5dpcbd ch 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 capacitors are connected in series across a 12.0-/g d,z1ck, cdlV battery. What is the potential difference across the 10.0-mFdclgc,, 1d zk/ 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-mF02mtb1k m6g0qgmmw d0 capacitor are connected in series across a 3.0-V battery. What is the voltage across the 1.0-mgm6t1bk0m qm02g md0 wF 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 capa3- f3xgs+zko tcitor are connected in series across a 3.0-V battery. What is the voltage across the 2.0-mF cap-k o tzg33f+xsacitor?

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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 capacitors are co9x x:qjry4x b6nnected in parallel across a 24-V battery.rx9: qx4bjx6y How much energy is stored in this combination 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 n9+cy fy l-at5-v+xhi 20 mF are connected in parallel, and this pair is then connected at i-9vl+h+cn yxf5y-in series with a 30-mF capacitor. What is the equivalent 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 mFc9t .c/)(w k7 dxnpspzhq k0g. and 8.00 mF are connected in parallel. The combination is then connected in series with a 12.0-V battery and a 14.0-mF capacitor. What i q 9x/sp.kh.(g0nc zdcwk)7tp s 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 andh jgkf8cz nc-j*eqzs7b71 l4. o8fzy3 8.00 mF are connected in parallel. The combination is then connected in series with a 12.0-V battery and a 14.0 .nf3 *cg8js zhfc8l 7yz7bko1qze 4-j-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 connectd7pdnd4 a:2h9 ;/x61hph n wc5u9 zacwbso5 ited in parallel. The combination is then connected in series with a 12.0-V battery and a 14.0-mF capacitor. What is the voltage across the 6.00-z dcw wpa;dd6n5ah/nh97x:59 bpts u 4oh21icmF 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 cha p0a wl8xraj j:6)7y,cmv 3 tlb2b4wilrged 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 charged to 1l1eue (*2+mt; 3mwosli cht5m2 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 capacitor. The c,t h z56,;r)n luhplztapacitor is initin l ,plrz5;, )t6hthzually uncharged. The RC combination is charged by 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 96/wd6xqh) odjyk(ieq blz m)(g; rk). It is then connected in series with a 3.0 g66iz/qj;q e)kbh9( (yxo) w mklddr)$M\Omega$ 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 )x4wwlnwn;o w vz6 v 63lauu1)internal 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 resistaq 0/4pi4zn sgfnce of 24.0 $\Omega$. 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 resist v02ipmi 41dzhance 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 of 4he uk *jsu68g0e+:pxc0.0 $\Omega$ 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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    总分:102分 及格:61.2分 时间:不限时
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