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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 6.8r+ vhve34k hg9or ab)6 μA is used to charge a parallel plate capacitor at a rate of 8.4 volts pervr v+)6oak4be 3hgh 9r 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 sevene)krkt 4kl+wqh av.58 fundamental SI units in the MKS system, the unit for capacitance is written as whiqk5)+kw.r4 a klevht8 ch 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 charged by izf7e zih,mpsf9.w 5dz)p mr9i3-*sl connecting them to a battery of potential difference V. The battery is disconnected, an79 h-prmi93.lz m),is*zdw5 isfzfep d 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 insula7+g6pf (3tl n ufpl3yu9hbvl9 ted plates have a uniform electric field between them. The distance between the plates is incr7+plyllu 93 hb(pf6 39ung tvfeased. 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 parallzhdqxp5a.3+ eel plates are separated by a distance d. They carry opposite charges Q and each has surface area A. Which oa 3zqed.x+ 5phf 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 elcbbhw0/j *8iowelxt 1sw3u 6-ectrical charges each with a magnitude of Q. The plates are separated by a distance d and each plate has an8o*ewuw hbb 3w-csx10/jlit 6 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 csapn(h2zg8f 5e ti;w,ircuit 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 original separation using insulated gloves.h,n8wtsa (fi ;epg5 2z 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 battery8t 73a;73j7owxlyptna or ta 6(vvb b.. Without disconnecting th vrx7.8otl7(;3w ay 7pn v 3atb6jabtoe 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 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 the*; liwpj(h w,s current through the 300 Ω resistor w;ww,ijl h(*s phen 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 above, t q,q-x ; 2j33tcv/fareewwk 0whe 3.00 μF capacitor is fully charged at 18.0 μC. What is the value ofcaw/ qvt ew2e-k r30w 3jfx,q; 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 capapk l1,0, 7mpbqr9wd uacitors each with a capacitance of C are connected as shown in the following diagram. What would be the total equivalent capacitance of the upp,0d7k,1 rqal wb m9circuit?


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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+:suw jc:c 4wr the capacitors 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 initial ndl8(kg /j)ojixt 65fly 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 jdgcs)sc( e52cqog3 6 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 is the idp w(7g9t4 4uax w qhw 1(wqkjy/(h.emagnitude of the potential differenc9 p/eq hi441 u(y(.kgwdtwa(hqj w7wx e 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 show/ .9fpodcru2 xn, both switches are closed simultaneously. After equilibrium is established, what is the charge on the xfu/proc d9.2top plate of the 5 µF capacitor?


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