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习题练习:Electricity and Circuits: Capacitor

 作者: admin 发布日期: 2026-05-21 09:01   总分: 4分  得分: _____________

答题人: 游客未登录  开始时间: 24年08月22日 11:06  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  
  09.36: For the RC circuit shown, the resistance is R = 0.10 R, thet pkz1)q bf(yd257s un capacitance is C =5.0 F and the battery has voltage ξ=12 V. The capacitor is initialqsyzkp) u1(2dt 7 fbn5ly uncharged when the switch S is closed at time t=0. At sometime later, the current in the circuit is 0.50 A. What is the magnitude of the voltage across the capacitor at that moment?


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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  09.41: For the circuits shown below, which at.b5m2m g 1kz4jeu5 bwill take the least time to charge the capacitor(s) to 90% of the full charge? All batteries are ideal and identical with EMF ξ , all resistors are identical with resistance R , and all capacitor m51j zta5 eu4gmbk2b.s are identical with capacitance C and are initially uncharged.


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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  14.38: In the circuit shown,the switch S has beeso-gyd .p c zw+rvvlfuc+:6e2 w9vr +)n left open for a very longtime. All circuits elements are considered to be ideal. Which one of the following statements best describes the behavior of the current through the switch S once ovgc. u+-l pd:v+yew6rfvc2+s rz9) w it is closed?


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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  13.45: The switch S in the RC circuit shown is closed, *fg2/lioooo at time t=0. All circuit elements are ideal and R=10.0Ω, C=2.20 F and ξ = 12.0 V. The capacitor is initial,2goflo* io/ oly uncharged. How long after the switch is closed is the voltage across the capacitor three times as large as the voltage across the resistor?


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总分:4分 及格:2.4分 时间:不限时
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