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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 a parallel plate capacilt9ho-x98 x xstor at a rate of 8.4 volts per second. What would be the capacitance of the cap 9lxsh xox8-t9acitor?

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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.kgta7z-mfj4fhb 0h ;, the unit for capacitance is written as which of the followihaf m f4jgt7bz;-k 0h.ng?

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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 charged b( z-dwpc 7lhvgps ,-3jy connecting them to a battery of potential difference V. Tzpgvdl -7j, -hcws( p3he 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 plates have a unifosofmq(k e62j*rm electric field between them. The distance between the plates is increasqk 6ems(* o2fjed. 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 byl5q, ;q5p3mqfb cj(uk a distance d. They carry opposite charges Q and each has surface area A. Which ofqu3k 5qjf5,cl(qbm;p 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 chargahf)2h ;bfpkj xc;n+/es each with a magnitude of Q. The plates are separated by a distance d and each plate has an area A. Consider the folloxh) pfah j/;2;k+fcbnwing:
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 si+4c,ppa: id circuit with a battery having emf E until the capacitor is fully charged. Th das+,pip :i4ce 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 t85 p +n6g3cigr nbdp(lhhe /2ho a battery. Without disconnecting the capacitor, a student pulll 6 5gri hedp hphn3gbc/(2n8+s 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 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 figujimzr n,, xnxs38q:e 5re. What is the current through the 300 Ω resistor when the capnq8jriz ,smx 5 n,xe:3acitor 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,u.tt96v w;ql,whqp3d/ u4rf7u8 som w the 3.00 μF capacitor is fully charged at 18.0 μC. Wm,8;6/dwfvutw. so39ut wrqqph l74 uhat is 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 i be9rjodsh-fs( my6b2kmnn5u3x /.4are connected as shown in the following diagram. What would be the total .62u/ 3m9nbbsndo yjmrs h-5k ( iexf4equivalent 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 unco4bx-wp pwv;i8 vpre2s6,ug 0x-hx4e*8qdpjharged.
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 capaci81b-rs9yhjo otors 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 =6.0 Vp:rf7r 9g.zky**vhot, $R_1=7.0Ω$, $R_2= 3.0Ω$ ,$R_3= 6.0Ω$ , $R_4=12.0Ω$ . 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 circuitm4vbgi0adw7 ie2 m 3m5 shown reaches equilibrium, what is the magnitude of the poten5v0id b4gam 7ew3mm2itial 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 configucqbt*mo8*ic5f c/ g6olyy0, p ration of capacitor shown, both switches are closed simultaneously. After equilibrium is established, what is the charge on the top pf/*o c blmo*8ycct,g p06y5iqlate of the 5 µF capacitor?


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