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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: 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 dzkxxl).-b7 uygd.q ( 4;kbikknp (i, inductbp(7dk4k)i;x(d bkiy.lunk -x.qz,gance?

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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 8g e c+ua3:myiof “ohm∙second.” Which one of the following choices represents an equica+ i8ue:gy 3mvalent 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 around an 0f gcv9923k5vhiydnk8) rif yiron-filled center. Due to budget cuts, the current that ordinarily runs through this solenoid is cut in half. As a result, the inductance0n9ir) fk2ch5yv 8y g3d9k vfi 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 position A.After a very ld91*pg b zyv8 wgs4c4wong time, the switch is flipped from position A to positz494*sg vcbw1pdg 8 ywion 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 il0hwf (w)q 3wdq/.p ithe 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 double whathqpi3d0 .w (w/lq) wfi 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 y vbzjgg4pxk. s,7d+ 6long time. The instant after the switch in the circuit labeled S is ope+ pbsj7z g.,4ykdgv6xned, 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 cx : v9ec.oieb0ircuit shown, the resistance is R=10.0Ω, the inductance is L=5.0 Hevob 90ei. c:x 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/ k0lbsm82hi/uso0 hu simple RLC circuit to receive a radio station broadcasting at 660 kHz. To receive a station broadcasting at 1320 kHz the capacitor in the shubk/2si0ml0h/ u8o 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 between all of thz.spg suq,1i 0-x4 ksde energy in the circuit being stored in thedupg1xs -,qz4 .i0sks 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(co(vtt 1 8dj,x/crxbg) cz j, 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 cocc xcxvgdo tj(,zrbt)8 (,/ j1rrect as the source frequency increases?

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