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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 z-bqal 0;qh3xrepresents the base SI units of inductancex -30hl;a zqbq?

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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 ;a 4ck-rj2v.ymeqzh v 4: l,zkof “ohm∙second.” Which one of the follovrh4qz.j 2e zka:ymvckl;,4- wing 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 loop sqn))rlz ;o-a tr;a as28,0q/8v s; kdpxwdrgs of wire tightly wrapped around an iron-filled center. Due to budget ct or wra;s)s kav08xq8a -;/qd pgn,;sd)2rzl uts, 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 shown, the switch is moved to pgp:v+jnp :,r8 qcvs y9osition A.After a very long time, the switch is flipped from position A to position B, thereby opening the :sgyvp ,:qpvc+ r9 8jncircuit. 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 ciah,(008 xyqka r:y +sfenl5xryp/yf +rcuit is shown. Which of the suggested changes in the circuit (labeled I, II, and III) would result in the initx +fp+h0r (ay:nskaq8yy r0xy5fe ,l/ial 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 for a lonli8r:e4k,q,azm+bx t:e 8o. ashfs 5hg time. The instant after the switch in the circuit labeled S is opened, what is the voltage across the ind bq8t5emo4s. +:,xszahi8:k,falerhuctor $V_L$ 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 r(gz/*o aeab4circuit shown, the resistance is R=10.0Ω, the inductancer a*g4beo(a z/ is 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 means of a simple RLC circuit .7ymje *jq 8h6yvzf v0to 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 multiplied to tune in the RLC circuit to the new fvfj.yzey*8 0h6 qmj7v requency?

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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, what is the time difference wysn-dv //g+a between all of the energy in the circuit being stored in the inductor and all of the energy being stored innd ya /svw/g-+ 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 rep/o * t4zq4 rarqm79jusistor, capacitor, and inductor connected in series to an AC source. As the source frequencamtro 9 *j7qrq4/4u zpy increases, the current in the circuit decreases. Which statement about the circuit is NOT correct as the source frequency increases?

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