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习题练习:Electricity and Circuits: Capacitors

 作者: admin 发布日期: 2026-05-21 08:54   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 parall 2uqt3e0dpyl n7(3+hes ff4nbel plate capacitor at a rate of 8.4 volts per se dh y7s2fqteb0f4 3un+(pnl e3cond. What would be the capacitance of 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 syxo *kz6* t+ixjstem, the unit fox+tizj*6*ko xr capacitance is written 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 apart are charg doh cg4yw4r-f3t *fv(ed by connecting them to a battery of potential difference V. The battery is disconnected, and the plates acrh4vdo y( f fw3-tg4*re 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 platsqi ;t p/hb.g5es have a uniform electric field between them. The distance b i;g5q/.spb htetween the plates is increased. Which of the following 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 n eqwep0+r 9 j3k*a,rmplates are separated by a distance d. They carry opposite charges Q and each has surface area A. Which of the following would increase the stjernpw*+ reqa0k39 m ,rength 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 opposite electrical charges each with z58zpe5wxez7a magnitude of Q. The plates are sepaez7z8 z55xwpe rated 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 rekyy( gc32muzgrec /.3v1x z-xsistanceless circuit with a battery having emf E until the capacitor is fully charged. The battery is tg (yek x/cg1vcym3- 3.zzur2xhen disconnected from the circuit and the plates of the capacitor are moved to half of their original separation using insulated gloves. 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. Wgbm2hh e-s g11ithout disconnecting the capacitor, a student pe1bh2gg m -sh1ulls the capacitor’s plates apart so that the plate separation doubles. As a result of this action, what happens to the voltage across the capacitor 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 current th dbbfb- )yx:9brough the 300 Ω resistor when the capacitor is -bbb f: xd)yb9fully 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 fulx m . pyb;v73 nm5p0egxq:yxy2ly charged at 18.0 μC. What is the value oe: y xm.p32xyp5 xbmg;7y0nq vf 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 identicalepmpa2vhs/syj; .p3 6o; t: rh capacitors each with a capacitance of C are connected as shown in the following diagram. What would be ;6.pvjse:raho2/spyt pm3 h; the total equivalent capacitance of the 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 capacit .mw/ -)v+jdieodqry-,v.b slors 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 the capacitors are initial5 db(9aga:zqvn (mzs2ly 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 shewpw;-l0l wkq h):xq-own, 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 shown reaches equilibrium, what is the magnitude adlv- 1q zavn*7k 9v/4n ddiel e:/rghm)1d.m of the potential d . 9d 4hvn1adnq7 kadlevm/1rz*vli/d: eg)m- ifference 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 a cft0g6e,-oyd re closed simultaneously. A, dfegc- 6to0yfter 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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