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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 thexx q5g3zx 2 w9 w;k;.+poaqxsx base SI units of inductancw xq9x2x x .pqgo3;k;xzaws5+e?

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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 l q3 wvbd9g)t;qpu)2m: o9uqoye5z 0qeabeled in units of “ohm∙second.” Which one of the following choices represents an e2bo qmgoqyuqzqw5):p e;t eu9) d30v9quivalent 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 conc(sj.k-1u gdhstructed with N loops of wire tightly wrapped around an iron-filled center. Due to bku( -ghdjs1.cudget cuts, 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 position A.mq qybi2 ,i2 p-vj/sa(7l(ow0ql: jogAfter a very long time, the switch is flipped from position A to position B, thereby opening t qi jjavwqs 0-b7:2,(g mo(l o2i/yqplhe 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*z -z;d74rx amqp h8xvn;(pon 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 thdppoz7*8;rqxxan(m hv4z ;-ne 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 long time. The instant af3y.7-crebl0 vgof za 3ter the switch in the circuit labeled S is opened, what is the voltage v37lz g3.e c0abfyo r-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 1;elwpu02fzh inductance is L=5.0 H and the battery has volfwe21 up;0z hltage $\xi_{bat}$ = 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 setwx9+n r-7euerc v4/jd 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 original capacitance be multiplied to tune in the RLC cxu4ened /wv+7 rcr9j-ircuit 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 ; k xd8odb ;fyr9(t8nzis the time difference between all of the energy in the circuit being stored in the inductor and all of the enb 89 zkdot f;(xn8ry;dergy 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 resistor, capacitor, and inductor connected inxzr yp15-cf w( series to an AC source. As the source frequency increases, the current in the circuit decreases. Which statement about the circuit is NOT correctwfy-1 cx pz(r5 as the source frequency increases?

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