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习题练习:Electricity and Circuits: Inductors

 作者: admin 发布日期: 2026-05-21 08:56   总分: 10分  得分: _____________

答题人: 游客未登录  开始时间: 24年07月31日 17:48  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  
  15.37: Which one of the following choices represents the base SI units of a;kp lomwzpden(u7)b532w0 g0n l:gr inductan ra wp(0l w gz70k;):dlnmn5uo 2e3gbpce?

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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  17.28: A shipment of parts is labeled in units o8wen1b/r0u83ng,gdnc z k 7o3at ui:of “ohm∙second.” Which one of the foll: 3orucun0z ebno8tw a,nggk781 3/idowing choices represents an equivalent unit?

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  06.42 A solenoid is constructed with N loops of wire tightly wrapped: 5 jziibq,6i6wo g*vvmy(-lx around an iron-fill *j qg ,(l-i5i6w:vzbyx mo6ived center. Due to budget cuts, the current that ordinarily runs through this solenoid is cut in half. As a result, the inductance of the solenoid is

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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  03.46:In the circuit shownw2ppf v1 fq.v9, the switch is moved to position A.After a very long time, the switch is flipped from position 2pqvw1v.f fp9 A to position B, thereby opening the circuit. At the instant immediately following the flip of the switch, the DC voltmeter shown registers a voltage of magnitude:



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5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  05.50: A series RL circuit is shown. Which of tu5* ogu jm3 g8ey,-tz,omyjzim vo406 he suggested changes in the circuit (labeled I, II, and III) would result in the initimo0j5toy3z j,gum- 6*iyov,4 gz 8emual voltage across the inductor (at the instant that the switch is closed) to be double what it is for the circuit shown?
I. Reduce the resistance in the circuit to R0/2.
II. Double the inductance in the circuit to 2L0.
III. Add a second identical inductor to the circuit in parallel with the first inductor.



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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  08.41: The circuit shown has been operating ab gh b.(wgeg9w32)z5t3wwru for a long time. The instant after the switch in the circuit labeled S is opened,r(9 w3 5 .3tezb)awgughwb2gw what is the voltage across the inductor $V_L$ and which labeled point (A or B) of the inductor is at a higher potential? Take $R_1\:=\:4.0\Omega$, $R_2\:=\:8.0\Omega$, and L = 2.5H.



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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  10.45: For the ideal RL circuit )f8p tku1/ zirb6fbi8hjt60bshown, the resistance is R=10.0Ω, the inductance is f1b68rtku pf ibbj/h86itz0 ) L=5.0 H and the battery has voltage $\xi_{bat}$ = 12 vlots. Some time after the switch S in the circuit is closed, the ammeter in the circuit reads 0.40 A. At what rate is energy being stored by the inductor at this instant (in Watts)?



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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  01.40: A student tunes a crystal radio set by me7(e jzodirx yia 2xe21-00bqf ans of a simple RLC circuit to receive a radio station broadcasting at 660 kHz. To receive a station broadcasting at 1320 kHz the capacitor in the RLC circuit could be changed. By what factor must the original capacitance be multi(0jiy-2aro xex1 f b27de0 izqplied to tune in the RLC circuit to the new frequency?

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  09.44: In an ideal LC circuit, whba+ov 0oj,q s-at is the time difference between all of the energy in the circuit being stored in the in+jbvosoq- , 0aductor and all of the energy being stored in the capacitor?

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  08.49: A circuit consists of a resistor, capacitor, and inductor connected in se74p6z9;of l opbq,q curies to an AC source. As the sz9q,q4ucl b6 o7 pop;fource frequency increases, the current in the circuit decreases. Which statement about the circuit is NOT correct as the source frequency increases?

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