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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 induc, * nawq7tl5mntan,wat5mn 7nql *ce?

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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 of “ohm∙second.” Whiaxg *o l:rrhee):il:+ch one of the following choices repr g+:l* o:)lheri:eaxresents 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 ov u9c 38ybo b(,1ku3-jbjfuov f wire tightly wrapped around an iron-filled 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 ko-3u38fbj1y 9vcb,bou (ujvis

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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 sh , vv(l.ne aggu(ls7h7own, the switch is moved to position A.After a very long time, the switch is flipped from position A7v ,. (ga7llsv(uehn g 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 shown5 ywm3zns 4qjj2f5 a.afd7i fl6.m ct6a2sv3t. Which of the suggested changes in the circuit (labeled I, II, and III) would result in the initial voltage across the inductor (at the instant that the switch is closed) to5 a v q33tni .6mafaw.df2j4jft m5clz2s7y6 s 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 ha994 dbbmwh 1x8qvyjk (s been operating for a long time. The instant after the switch in the circuit labeled S is opened, whaxh9 9q y4kwbb18mvdj (t 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 shown, the resistance gv aa,pt;+nz ;is R=10.0Ω, the inductance is L=5.0 H ;a+,pg azn vt;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 tuneq p.8p6am-v1rzoj 1j ys a crystal radio set by means of a simple RLC circuit to receive a radio station broadcasting at 660 kHz. To receive a station broadcastinqvm81-z .y1pajj6o pr g 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 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, what is the time difference bz1zxk.uwhewxi :+ a0k. w 5lsr3nw1(retween all of the energy in the circuit beilrxn 5a1w3e w+ u(1.whk:xkrw .z0szing stored in the inductor 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 consg+-* i-d:juft-pp,3g cqsnioists of a resistor, capacitor, and inductor connected in seri+tjdi -:pcpo3,--fgi* nqs uges to an AC source. As the source 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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