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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 platu3cl /)-b1zxnby 8zmv e capacitor at a rate of 8.4 volts per second. What would be the ycmz-/xvbz8)nb lu13 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 fundamental SI units in ) bh 6l fcow-o/+;8d6g klxrstgol l;:f:di e4the MKS system, the unit for capacitance is written as wdo li:d;ew fgslxr6gh:)-4+b 8/ock l l;6fothich 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 charg)ipf 0n mw0qvv:bj ()sed by connecting them to a batte vs:w0p)f0jm)q (bv niry of potential difference V. The 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 u+e, n8i pl.+zr6uqfqxniform electric field between them. The distance betweenx ,izreq lq6uf8p.n++ the plates 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 parallel plates are separated by a dist s:eb frg5-9aaance d. They carry opposite charges Q and each has surface area A. Which of the following would:-9b sfeaar5g 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 chargi/ u06:wtncgc6 +s wzves each with a magnitude of Q. The plates are sepa0 twig/nu sc6cw:6 zv+rated 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 capac* s3sh,jv g pahs6j wk02ce1e.itor is connected to a resistanceless circuit with a battery having emf E until the capacitor is fully charged. The h1j 3ejc *p k0asw2evs,hg.s6 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. Without discon72u m*ff tdm hnfdxu- i.5(0oqnecting the capacitor, a student pulls the capacitor’s plates apart so that the plate separation doubles. As a result of this action, what*27ihf.mx(0fmf5- dou t q udn 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 curre;tbdla so6znwzt;cp bv5d 99n *vg650 nt through the 300 Ω resistor when the capaci0sw6 loz;96p t;z9ndbad c*5ngvtv5b tor 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 capaci ,di odw zd;8ssye,.y*tor is fully charged at 18.0 μCe, oy,.*;dis 8dz wsdy. What 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 capacitancmv1hp+ /e 9rnhe of C are connected as shown in the following r9vn+ h/epm1hdiagram. What would be 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 capacitors a/0akkhw q h:n(re 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 i/ tsxs )w33h- -jyxs,eed 7 8fglzdyy+nitially 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 sh(vd3/1hkqpw2utkk 7 bown, 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 equilib3 1z,+ pjsymwh/lt wr./e uzik xw) k8,wu7d;lrium, what is the magnitude of the potential difference acro;dw7 3wiwhw/,,mlpy1/z) 8ktzeu kr slj.u + xss 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 swpc0i j*1 goyl2 4b3. :bka+dcvuxkme3itches are closed simultaneously. After equilibrium is established, what is the charge on the top plate of the 5 µF ka o3xy d1*.ul:20 kpbgc+ 3ei m4vjcbcapacitor?


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