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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 cu8n 2it in8 yvl9l vwbm5w)5s4wrrent of 6.8 μA is used to charge a parallel plate capacitor at a rate of 8.4 volts per second. What would be the capacitance of the capacitor?985v2w) y 8ltnwisnlmw b4iv5

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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 fundamenox*dmj*pi)b,htat- dx2rz,0o 0 iu2 vtal SI units in the MKS system, the unit for capacitance is wr-0hpj,*drox,zutvam2 id it * o x0)b2itten as which 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 plat f 4khp f6dqhci6s nth:1(as-)es a distance d apart are charged by connecting them to a battery of potential difference V. The battery is disconnected, and the plates are slowly moved apa f14qspka(chdi -)t fh6 6s:hnrt. 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 plaocosaz 6*2q*hwnv -xu (5v. gftes have a uniform electric field between them. The distance between thgzo5.v (h fv2 n*qaos*uc-6wxe 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 distance d. /z2a: (g:kgs t7 oiuoj They carry opposite charges Q and each has:ju gsz/oo2 :tkg(a 7i 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 with 3lp9xmm 4b hiqsj-omsk s:*2r9 et*z6a magnitude of Q. The plates are separated by a distance d and each plate has an area A. Consider the follkqj29 tli s *p-s:4r6m m3hsmx b*oze9owing:
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-platesl;s ee gj6p2v 6g29mu capacitor is connected to a resistanceless circuit with a battery having emf E until the capacitor is fully charged. The battery is tg ue9evs6 2j gpm6;sl2hen 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 conneiy kj/q* mttpwt39o v m1q0w:5cted to a battery. Without disconnecting the capkmt 5w1v/:p*iq0tt3 9 mywoj qacitor, 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 thiq ,+4yn m8bade current through the 300 Ω resistor when the capacitor is fully charbi+q , a8y4mdnged?


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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 fu2* g/*i0u urp ; zqix7taic+oblly charged at 18.0 μC. What is the value ab7tuqg+*zr;c i *xiou/ pi2 0of 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 a h)d05m//6w yjv svrdhre connected as shown in the following diagram. What would be the total equivalent capacitance of the 6jmhyr hs)wdv5/0v/d 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 thei)zx: 5;+kkrqgddp, q 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 capacitorszsil+, qun 86zniq/+b 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 shownk l/8*qcdam2 n, 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 shoorn 9om:ae*g0 7 jsmn-wn reaches equilibrium, what is the magnitude of the potential dn son 0m*ojeg:am r79-ifference 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 co y2wlf+00*xqi8lv;bog og*s qo+3iienfiguration of capacitor shown, both switches are closed simultaneously. After equilibrium is established, wolbqi;oy ie0w2glx g0+ fqov*38 s i+*hat is the charge on the top plate of the 5 µF capacitor?


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