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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 μAk9q1d8p+h vsd:)qy7 dz2 ktbp is used to charge a parallel plate capacitor at a rate19p s:+khdd ) zp2t7ybvkdq 8q of 8.4 volts per second. 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 t g,n4kl cu*.xMKS system, the unit for capacitance is written as which of the followi,n t.* lguck4xng?

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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 par0/f6o6jl o-jv/wff zeallel plates a distance d apart are charged by connecting them to a batje6lw0ojv- / z /ff6fotery of potential difference V. The battery is 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 pr1c8b ;weh0 c:jumsl. lates have a uniform electric field between them.hr.:; cue1wjcbm sl 08 The distance between 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 d;fuqx)mpon+v;i *h - parallel plates are separated by a distance d. They carry opposite charges Q and each has surface area A. Which of the v)o;pq*xn+ id;uf mh -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 ca1o df6y0gv7xr rry opposite electrical charges each with a magnitude of Q. The plv1dro gyx6f 70ates are separated 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 touz02ze.,3e**czyf mfkiej ckpz /x5 ; a resistanceless 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 2/m;3ie*uk fpcc yxzf.5 ke0z* zzej, 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 connectz ( 4 / ;nputsnmx umpoio7d(4f7i:t1ded to a battery. Without disconnecting the capacitor, a student pulls the capacitor’s plates apart so that the plate separation doubles. As a result of this action, 7pt4m ;( /nupntdu:7s4md1 fxi(o iozwhat 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 through the 300 Ω b2i3r(n*p 9 hm gcupo6 resistor when the capacitor is fully charg2mcr6 o (n3u p*p9hbiged?


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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 3.6 eii -obz1t+hk67uay00 μF capacitor is fully charged at 18.0 μC. What uhi7kz +ybtoai1e - 66is 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 ar;;w slu ehe1(xe connected as shown in the followiw;eseh; x(l1ung diagram. What would be 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 capacitor)xzcs5gk a- 5r-t/ +p afwu9yrs 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 ar )sn6wkpe4(fd0tot jgw1/.die 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, ξ =6.a4l.q n,bruskv3g:4 *aeb 2- pbnmz5w0 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 circuijiu 1bo+naq47mkh;- 6z c;x yrt shown reaches equilibrium, what is the magnitude of the potentiq67;;nmy4z 1a ch r+j ix-obkual difference 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 sglj,fddm 2*( cwitches are closed simultaneously. After equilibrium is established, what is the charge on the top plate of th (gdmj,d2 f*lce 5 µF capacitor?


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