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习题练习:Capacitors

 作者: admin 发布日期: 2024-08-22 20:08   总分: 16分  得分: _____________

答题人: 游客未登录  开始时间: 24年08月22日 11:00  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  
  04.36: An electric current of 6.8 μA is used to charge a paralle rxi98dea/g )ll plate capacitor at a rate of 8.4 volts per second. What would be the capacitance r g9 a/edxi)8lof the capacitor?

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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  10.36: In terms of the seven fundamental SI units in the MKS systegkmce0wfi/ 3yiab(1-6 jne f-m, the unit for capacitance is writtek/ jime-wn16fg 3fb icae- 0y(n as which of the following?

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  96.29: Two large parallel plates a distance d apartw pt.ftki, u.m8 ki+3t are charged by connecting them to a battery of potential difference V. The battery is fpiu.mwikt+k.8t, t 3 disconnected, and the plates are slowly moved apart. As the distance between plates increases:

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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  97.34: Two large oppositely charged insulated plates have a uniform electric fy ).)8ddnt0x-oc n rcyield between them. The distance between the plates is increased. Which of the follytd .nxcon)yrd- 0) 8cowing statements is true?
I. The field strength decreases.
II. The field strength increases.
III. The potential difference between the plates increases.

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5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  98.37: Two isolated parallel pla m ab;s+h fk;0djb54mftes are separated by a distance d. They carry opposite charges Q and each has surface area A. Wh;; +m0m4fs jdbbf hk5aich of the following would increase the strength of the electric field between the plates?
I. Increasing Q II. Increasing A III. Increasing d

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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  00.18: Two parallel metal plates carry opk )iawb 3r ;7e03fpjeeposite electrical charges each with a magnitude of Q. The plates are separatk3ae7 erjbf; 3eiw 0p)ed by a distance d and each plate has an area A. Consider the following:
I. increasing Q II. increasing d III. increasing A
Which of the following would have the effect of reducing the potential difference between the plates?

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.39: A parallel-plate capacitor is connected to a resistancel1mwudx- v;sc r93 /ocxf5sc ,jess circuit with a battery having emf E until the capacitor is fully charged. The battery is then disconnected from the circuit and the plates of the capacitor are moved to half of their original separation using insulated glovcvcdrfw ss391 cxo-m x5;u/ j,es. Let $V_new$ be the potential difference across the capacitor plates when the plates are moved together, $V_old$ be the potential difference across the capacitor plates when connected to the battery. $V_new/V_old$=?

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  08.42: A parallel-plate capacitor is connected to a battery. Without disconnect s:4jp/. wd x5bcjrth,ing the capacitor, a student pulls the capacitor’s plates apart so that the plate separation doubles. As a result of this action, what happens to the voltage across the c5 j.cw/4s h:dx,prbjtapacitor and the energy stored by the capacitor?

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  96.31: See the accompanying figure. What is the cur-,c-dnkporu51abi r; rent through the 300 Ω resistor when the urc n15; -brk,d p-aio capacitor is fully charged?


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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  98.39: In the circuit above, the 3.00 μF capacitor is fully charud s oz;p*2vwd*m,:rtged at 18.0 μC. Whad dutm;,2 zw:vsorp**t is the value of the power supply voltage V?


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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  01.19: Three identical capacitors each with a capacitance of C are consquo/x vn ,dvx/ p0/*c6; szudnected as shown in the following diagram. What would be the total equivalent capacitance of th;/*s/0uvqdp /,z x6n doxuc vse circuit?


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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  04.43: Assume that the capacitor;uu+ xgpmsa7 8nurf*6 s are initially uncharged.
At time t = 0, the switch S in the circuit is closed. At that instant, what is the equivalent resistance ofthe circuit?


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13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  04.44: Assume that the5p ivwo 92)mxrul jvgy-.8wh6 capacitors are initially uncharged.
After the switch has been closed for a long time, how much charge is on the positive plate of the 3 μF capacitor?


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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  08.31: For the circuit shown, ml(ric.2i*v no dxf1a lut7- : ξ =6.0 V, $R_1=7.0Ω$, $R_2= 3.0Ω$ ,$R_3= 6.0Ω$ , $R_4=12.0Ω$ . After operating for a long time, equilibrium is established. What is the voltage across the capacitor at equilibrium?


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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  17.47: Once the circuit show*:n)kgw .o- mt ;uoivsstpf26n reaches equilibrium, what is the magnitude of the potential diff-vos tpnw. uomi*t g)ks: 2f6;erence across the capacitor?


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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  05.48: For the configuration of capacitor shown, both switches ;w0l80xv0; . wutaw t(9 0,itpfmgbs2z vfvnm are closed simul9 (tv0nzw w0m0.f pv,tgvxs;mu wil8tf0;ba2taneously. After equilibrium is established, what is the charge on the top plate of the 5 µF capacitor?


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总分:16分 及格:9.6分 时间:不限时
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