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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 of 6.8 μA is usoe1o fx:6 tff/yb3b,qed to charge a parallel plate capacitor at a rate f:f, o 6ot/y3xbfbq1e 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 ign9o xr-c4m:8*xk qrseven fundamental SI units in the MKS system, the unit for capacitance is written as which of the folli x: gqrxmno49 r8*kc-owing?

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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 distaffh*6-k / .mxpka8gxbnce d apart are charged by connecting them to a battery of potential difference V. The battery is disconnected, and the plates axg6.8pfmf k*xbk ah- /re 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 oppoz.wa5gt1r y; lk)i uq: 0tywk;sitely charged insulated plates have a uniform electric field between them. The distance bet01;;gzu:w .l tw art)ikyyk5qween 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 distanwccqi/9b.99 6fa ik(wx0uu9 rxh kmd;ce d. They carry opposite kx./ 9 abdwi6rc9w ckh( ;u9fx9qumi0 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 electrical charges each wit / 6qfdy:s dk5x+e/zky+9zuuw h a magnitude of Q. The plates are separated by a distance d and eachy/e: 5/zz kuqfk+sw 9y6xdd+u 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-platedf2jp,*8abqnry (+dkj u yvo4pfdne)5 o/ l4 ; capacitor is connected to a resistanceless circuit with a battery having emf E until the capacitor is fully charged. The battery i4nddq;o(2ejp)8 d5/a*+f bf yu v4jp,nro kl ys 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. With)( aqos:u,egn out disconnecting the capacitor, a student pulls the capacitor’s plates apart so that the plate separqea uo) (n:,gsation 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 current through the zs1q .v- ;lsna6c j3dr300 Ω resistnvd ca r6ss;.1j-zq 3lor when 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, the 3.00 μF capacitor is fully chogd- v(zy6zf/arged at 18.0 μC.y(6dog-v /zfz 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 wii)c( 70gxo vcxth a capacitance of C are connected as shiog 7xx( 0v)ccown in the following diagram. 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 that5l8cm4 xgv y)a 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 capacit0pb gg ia2un)+ors 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, ξ6 c c337azfmx,y;q q dcbzgl9; =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 thj86*zx1:kpdftunj-w-bt ypr6sv8 0 pe magnitude of the potential difference acrokjpx:06tr jpzn8 8b*f utd1p6-svw -yss 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 z jm;.kipk+wt 8xwxph.xh 0.tq2j 5y/ capacitor shown, both switches are closed simultaneously. After equilibrium is established, what is the charge on th 5 /xxijqxz.h2 jwhk tm+pk.p ;y0w8t.e 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
未答题: 已答题:0 答错题:
当前第 题,此次习题练习共有 16 道题

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