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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 parallel pla 05poxdu.vj2jwv; b .ote capacitor at a rate of 8.4 volts per second. What would be the capacitance of thj o5j;u2o 0vx.wdp vb.e 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 fundame k*y*id, mkcm(k6.w 2myo,ggvntal SI units in the MKS system, the unit for capacio iw6gkm,mk g.,my*yv2(dk*c tance 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 cvp ol5cx 2el-(harged by connecting them to a battery of potential difference V. The batte-olex 2v5 (pclry 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 in;fky q/,sw d6jsulated plates have a uniform electric field between them. The distance between the plates is in;wsd 6qk f/,jycreased. 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 separat: dr8kzi+ 2:avoa4ssq5dkoq0k v-n/j ed by a distance d. They carry opposite charges Q and each a:v-sk ao+ dnr v :q4 2/dk0i5okjz8qshas surface area A. Which 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 opposite electrical charges each with a 3 )osccf4*bcw magnitude of Q. The plates are separated by a bs3ow4 c) f*ccdistance 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 i o lfumbdap 7aji+ :kwu578,5os connected to 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 pu7lmb5:k fdwa,j57i+a u8 oooriginal 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 c,)tqn1h)cel capacitor is connected 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, what happens to the voltage across the capacitor and the energy stored by the capacit1hc,e lc ntq))or?

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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 accompa / d+o7 prhas1dz5zux7nying figure. What is the current through the 300 Ω resistor when the capphd1 ua7zx+/rsz 75do acitor 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 charg y7g*6 v7sakesed at 18.0 μC. What akys*g6s77e vis 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 capaci 2/2q )z rxvlsye-)zpwtance of C are connected as shown in the following diagram. What would be the pv2x)2lrqz wes y /-z)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 capacitors are initially unchaj6ctz+l *wpiw- g p6e lq4.c7brged.
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 t4l2bt b6xcl) vhe 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 =f* x.,c3ef 9opk hdf7 gb,vtq z/g4x(e6.0 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 hlb a;i*8tzo)g6wi, elikf)+equilibrium, what is the magnitude of the zl6;wela)f,ti+i 8*hog ibk)potential 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 ca (, )kjfkryk98mzjn*w-qjpf y,sj/. yn i9e 9upacitor shown, both switches are closed simultaneously. After equilibrium is established, what is the charge on the top plate of them- yq9 fkrzk( i,p/je n9jkj8sy ,nj *f9).ywu 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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