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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 l e r6xegxpi*9oe6 *n)hr87yy1ia0i ja parallel plate capacitor89* i1 plyg )e0e7i e6nrao6xhyr j*ix at a rate 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 funscsehqd( 73,aon. u.h damental SI units in the MKS system, the unit for capacitance is written as which of the foq,7n 3e .huosc(s. dahllowing?

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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 distals wk4g3i1;chuwui h-t5 1 ef5nce d apart are charged by connecting them to a battery of potential difference V. The battery is disconnetgf1echikw3s4-lh5w 5;ui 1ucted, 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 chargeezi8, w65kgc;ru7 n nfd insulated plates have a uniform electric field between them. The distance between the plates is increased. Which of the ki nc; ,5r6gfu 8w7znefollowing 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 paralwdbx(*m0l ycdbchk1sd7+a0p p9j9 1)po y/ rv lel plates are separated by a distance d. They carry opposite charges Q and each has surfj1vw oylpdxs7p) r b*cd9p1+b/09hc dy m0ka(ace 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 4ilo0pyetqpobi:k( 66 g.d r/carry opposite electrical charges each with a magnitude of Q. The plates are separated by a distance d and each plate has an area A. Consider the followi dglb64tepr ( 0ip.kyqo 6o:/ing:
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 conneoex9qd bi yzs587mpl-+axw/7( w9m4gd 3pmwpcted to a resistanceless circuit with a battery having emf E until the capaci p 9ea5g-ds3 8xd7z9m(wqb7ox p+mlw4 /w ympitor 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 connectedo jhyx*1/ +lec 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 ane lhy/ocj+ 1x*d 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 ti o1nyw5i63m the current through the 300 Ω resistor when the capacitor is fully charged? ti615oyw nim3


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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 μhz4 7h1e;rtx/2ibc3s df mhgn c)7rh 0F capacitor is fully charged at 18.0 μC. What rh h3mn dcht1hi4)/ bzxg0 7 csre;72fis 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 aqh6 57k z2csyyre connected as shown in the following diagram. What would be the total equivalent capacitanck6 yc57zyhq2 se 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 initial c/d;1nbx ,xya/1n njlly 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 uncz5y6r q4th5wln:-t cju(w m5 bharged.
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 circuip5rx rmm pg(-0x0 ude2t shown, ξ =6.0 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 ia,og9,ga )+u tqhgz w31e9e ybs the magnitude of the potential difference across the capacitoaoge yq 99ubzg,w,1t )3+he gar?


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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 um7oh nn yi.ja;1/p )hof capacitor shown, both switches are closed simultaneously. After equilibrium is established, what is the charge on the top plate of the7) /. y oianh1j;npmuh 5 µF capacitor?


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