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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: 匿名未登录  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 parallel plate capacih1m(d vpcr zdxz 2 4u7nocq,67cfmi- 9tor at a rate of 8.4 volts per second. What wo,1xu p dhzzqd 9iccnmrf7om46-c(7 2v uld 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 5 xzlcf1 5+zxh11 ard2s ,tlebfundamental SI units in the MKS system, the unit for cfs551 x zxbdeal1,l chtr1z+2apacitance 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 ch ql.qx,)0ir5fe(njcharged by connecting them to a battery of potential difference V. The battery is diqj.5( f,ni lcrqeh) x0sconnected, 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 insul6jgjb tn3 b 19rpmwc; k83w:sdated plates have a uniform electric field between them. The distance between the plates is increased. Which of 8tp d3rwb;c1g: jjk96s3wnbm 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 plates are separatei4(gcc9 o+cxo k; iv*flf0le0d by a distance d. They carry opposite charges Q and each has surface area A. Which of the following would increklcg+o;o4iicc*l ( 9 ffxv00e ase 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 opposite electrical cha,oej/y afkt, qp) 5jdgv95.bbrges each with a magnitude of Q. The plates are separated by a distance d and eacha)oj,k/epd bg5 .bvy9, 5 ftqj 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 resm8 ;yzsbztf p/ 54 nhyi93r,fzistanceless circuit with a battery z98zrn,h4sbiztmy f yf5/;p3having 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 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 batte/hqbt3bg1n, sr bu6-k ry. Without disconnecting the capacitor, a student pulls the capacitor’s plates apart so thr6tbbh/ -ksnu1g 3b,q at 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 thr xl/c1r3a)al/7:pz zdy pguj vw4m 9/fough the 300 Ω resis/73uvgam4j z apx 9/cd/1f)wyzp:ll rtor when the 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 charged at 1*:n/m*sj.hxch rbz) z8.0 μC. What is the value of the powem* r/ :zxhh. *cnbj)zsr 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+dhwp):3x k8rym2 8pqlz qum4 C are connected as shown in the following diagram. What would be the total equivalent capacitance of the cumxpld rq3mp +w2q)h 4y :z8k8ircuit?


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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 capacitors j9 :qa (fus : d41aw,2zaz(purwh w6jlare 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 initially uu;8 (jjk ugmsp/(,tw e cf89txncharged.
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, ξ =6.0e *puay8n4c ym qkz):: 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 52 38x ykkljwgz uoa45reaches equilibrium, what is the magnitude of the potential difference acros5aj8y352k4gzw kulo xs 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 arex3yz/1w/pnzwmx:zl9r uk i 94 closed simultaneously. After equilibrium is established, what is the charge on the top plate of tikz/ m9xwpy1 nwu:49zrx3 l/zhe 5 µF capacitor?


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