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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 thec o4z7p0hm yexw7/*o e following choices represents the base SI units of induct70mpo4 xe*w o7h/zy ceance?

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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.” Which one of theq6x j/0nw2fkkbus9 g59l t y9t followin9 f/nglq0xsj2tu6 kbk y 959wtg 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 wigensu.7e;to dboj, vd-u 3v 6 2tw2kt7th 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 resvuuk6j d 23dog2we7etsntv, .b7-ot;ult, 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.After /3cz/pld fvizg;f h3 -ht x8m4a very long time, the switch is flipped from position A to position B, thereby opening the circuit. At the instant immediately following the flip of the switch, xd3f tz8pc- g/zhl/;4v hfm3 ithe 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 the suggested changes in .vt*daynn vt(+, te ,g;vel7 4qg/mq*7yo j pnthe circuit (labeled I, II, and II yvn7lqttvgt, ( q/y4odjn 7ee ap,m*+n;gv*.I) would result in the initial voltage across the inductor (at the instant 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 operatb4 pqz2rgbk+ 2ing for a long time. The instant after the switch in the cb r2pk+gq24 zbircuit 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 resistance is out) :h vg; uc2xftu(-qs7j u,R=10.0Ω, the inductance ig,;tuo2: s)-q7( fcjhtx uuvus L=5.0 H 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 simpl-r38tcplpd )g e 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 ) cdtpr8plg -3in 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, wha 5p1k358kabo qyg3 o/bf )vasst is the time difference between all of the energy in the circuit being stored in the inductor and all of the energy be1obq3sk)5pagk aso 8vy3b/ 5fing 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 rif l.v2cn 360gyb2qqof a resistor, capacitor, and inductor connected in series to an AC source. As the source frequency increases, the currgi.fr26 bc lqqvyn302ent in the circuit decreases. Which statement about the circuit is NOT correct as the source frequency increases?

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