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习题练习:--Inductors



 作者: admin发布日期: 2024-08-03 15:44   总分: 10分  得分: _____________

答题人: 匿名未登录  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 followi )o vahdtiozcg(5+ :.vng choices represents the base SI units of inductan .izhvg5dt:)oo+ vac(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 partspwrry8ri4z edy 71 0z) is labeled in units of “ohm∙second.” Which one of the followiny0 p)iw7z4r rrz8ye d1g 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 aroundldj(;.jgno 38:w n. cab7hxwn 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 solen;8wx.7n .(dcwjoa b jlhn3 g:noid 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 shdtev1.wlynb 7bd8wq d:;5wq 4 own, the switch is moved to position A.After a very long bvw.n:78dw14qdwd tl y;e5 q btime, the 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 circd ge(8zfaa)qy vhw-( (uit 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 instant that the switch is closed) to be doub()fvwdaa zh8qe(-gy (le 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 long time. Thea811zy1t2nv0pt kcexgvw x 7, instant after the switch in the circuit labeled S is opened, e7p1,xvxy8kg21wa t0v c1t z nwhat 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 is R=10.0Ω, the indu;z6ms .2n fdy+wgh6hlctance is L=5.0 H and the battery has voltagey w zsfmdh.gn+2h66l ; $\xi_{bat}$ = 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 alg6//l5; wsi j 2o44p lhdg v14dtkyvm crystal radio set by means 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 ojt4g vdhlwk2d/y1 i5l4m/ o 4vpl6;g sriginal 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 ciryc i): (wat9 5eedq-ujcuit, what is the time difference between all of the energy in the circuit being stored in the inductor and all of the e-(5)tieewdq uc:9y janergy 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 consistsha* / 6t3arby n ;rhude: :u(hl.eswf( of a resistor, 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 circuit is NOT correct as the sourceaas36yln ert/h*rwh (e ;dfu.u(bh:: frequency increases?

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