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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 t3ef 9au 22k8-da:yzmf naeh-of 6.8 μA is used to charge a parallel plate capacitor at a rate of 8.4 volts per second. What would be thkaa:z2 -tf2 -a e3d 8mfe9unhye 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 theitwzi3aoc(i(jd* 3 e eh.h4/o seven fundamental SI units in the MKS system, the unit for c3eie(c d* iji(/to3w.4ahohz apacitance 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 aj6 o 5t1q.rjt+lb 3/.nxozbt a distance d apart are charged by connecting them to a battery of potential difference V. The battery is disconnect3joab 1+ rlj6qbn /z.x5to.tted, 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 plates have a uniform elec 23lqvg8,b 0yjaf aoggo8ms (5tric field between them. The distance between the p2bg 830 ( vjl qs58gay,aofmoglates 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 paryms*ye* uvqx+bk 9 5v*2 / ;hjnkliw.callel plates are separated by a distance d. They carry uq*s/nxj2;hvy5v+ck wy ei*m. kb*l 9opposite charges Q and each has 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 hv-ex6u05;hbfcz -tuelectrical charges each with a magnitude of Q. Thfxc v6 eut0h-;zu5 -bhe 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 capacitor is connected to a resistanceless cint7nexyf450fx9 jz- hg .u3k nrcuit with a battery having emf E until the capacitor is fully chargz.30nn-h4fn y k gfx9ej5t7xu ed. 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. Wii9,bpsxrtvs (9 9mao7thout 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 sva79m tr( ox,s9bi9pthe 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. hp d(ez6k445p(f jsa gWhat is the current through the 300 Ω resistor w5s4kjdhfpeg4zpa 6 ((hen 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 y ejz;pbtcznkz3 6 i 2n*qv0;*above, the 3.00 μF capacitor is fully charged at 18.0 μC. What is the nyke ;* cp2 nq;zb 6z03jvi*tzvalue 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.;0i;e yehazhe connected as shown in the following diagram. What would iz h e.0hy;a;ebe 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 ca)) prfgkil5(vpacitors 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 initially uncharge a+ 7quc08cnjqbb(jv;+gw1g 5r*unyz d.
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 =6.0 V,biv e 1x)dd;y5 $R_1=7.0Ω$, $R_2= 3.0Ω$ ,$R_3= 6.0Ω$ , $R_4=12.0Ω$ . 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 showneg 1x:8z6ormg reaches equilibrium, what is the magnitude of the potmgg6o1r z8 :exential 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 switches bqw1wtihs*.hx 4 2ys s ec85y4are closed simultaneously. After equilibrium is established, what is xs4i q 58w t.yeyhsw2h*b1sc4 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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