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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 cur*gr( 8l-*8vj kesoj ajrent of 6.8 μA is used to charge a parallel plate capacitor at a rate of 8.4 vs ke (l8jr8*jo-jgva*olts 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 MKS system,skr9ssyj)y(*;oy 1shwqsyrf:m c18 . the unit for capacitas o k *ys1qys9); r:yjsy.(fhw1 8smrcnce 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 distancex1ki zb 2cn/, n:xul/m d apart are charged by connecting themxxli ,n2bc / k1mnz:u/ to a battery 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 oppositelh+ o 8- 87w ig6:/iccrdanvduazgqh9*y charged insulated plates have a uniform electric field between them. The distance between the plates/g-8 c9od+guii:d*7vh qna hzwa6r c8 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 plates are separated by chm g( n;k 95m4ginia6a distance d. They carry opposite charges Q and each has surface area A. Which of the following would increase the strength of the electric field bagchm6 9gn;4im in 5(ketween 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 chk4r*xm1 g ez u 8ot1hf.tzcw171lh3toarges each with a magnitude of Q. x11cg1l3mrtht7 tzw14*o ufz 8o.e hkThe plates 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 c xtd 3grx*+ub;apacitor is connected to a resistanceless circuit with a batrud xb+tx; g*3tery 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 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. Without dis,hmml- o*fdd/byzpgi.cf rd66mk tl290 w b, 6connecting the capacitor, a student pulls the capacitor’s plates apart so that the plate separation dd wd6mhdto2l,- 0/ckylbf mrpg .,9*f6z6b mi oubles. 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 figsae-q- me0sn +j7p )heure. What is the current through the 300 Ω resistor when the -senhq js- ) a7em+e0p 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 18.+1amh(x9dj jxig 7 )si0 μC. What is the value of the power supply voltage j(jdsa7mgx 9hx +ii)1V?


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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 caq.zmz:k jc ,(4b.uflo pacitance of C are connected as shown in the following diagram. What would be the total equivalent capacitance of t( .jlb.o4k fmq,zc uz:he 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 capacitoo89kamo-me , z6djt2eb o.6 xurs 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 l gn8f+hw kj z **;-dfq)at0cc the 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, ξ =npy j+) s.lsa*3 s/vgf6.0 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 i r0onggc6z2js 4*f1o nmksj61 s the magnitude of the potential difference a6nmgjo2rjs0z*41o n1fs cg k6cross 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 y:z:-mt2chsjm6un h 2 shown, both switches are closed simultaneously. After equilibrium is establi2sn yh:6c2j - zhmu:mtshed, what is the charge on the top plate of the 5 µF capacitor?


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