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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) sn4subh 2(.m ebzxld22i48g5gc8 idlo7nr a represents the base SI units of inductanc 4b8x znu labh2(n4g28o 7cd . lirm)s2i5dgsee?

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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 .6ofbh 3afot +jg) b 99 sjpuqu9,onv(parts is labeled in units of “ohm∙second.” Which one of the following choices rep9) jf9 9htoun6bfj(ao.po3,bs+ qv g uresents 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 const/zm5b xh1ehj mn;4w1x ructed with N loops of 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, t;nm/jzhxbeh1 41 mxw5he 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/z5fotfrp /t,c/3f gm position A.After a very long time, tht5/fmg f,fzp //3co tre switch is flipped from position 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 xm.,;mc wtrd. is shown. Which of the suggested changes in the circuit (labeled I, II, and III) would result in the initial voltage across the inductor (at the instanwm x;.m.rdct ,t 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 opera6qcstq i ;.-guting for a long time. The instant after the switch .- si;uctqq g6in the circuit labeled S is opened, 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 shown, the resistanceeqpcpn wic1 ,dk4+*ww6f 1 xt; is R=10.0Ω, the inductance is L=5.0 H and the battery has voltaedc4*;tkpwxwi p nc161+qwf, ge $\xi_{bat}$ = 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 circuix(i/uw au2ho; t to receive a radio station broadcasting at 660 kHz. To receive a station broadcasting at 1320 kH/oauhi(x; 2uwz 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,jo n5a 2j:de: +ymx3sh what is the time difference between all of the energy in the circuxj:h n ma2 +:3d5eyjosit being 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 consists of a resiq wxezn ;cnl u lb5.gb8jr833prz6)7mstor, capacitor, and inductor connected in series to an AC source. As the source frequency increases, the current in the circuit decreases. Which statement about the c m l)86z5 qnj3 le;z7cg.xpub3 rbnrw8ircuit is NOT correct as the source frequency increases?

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