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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 4 9 8t2ktg;vo6d0i nznq py*mgfollowing choices represents the base SI units of inductance?gkt i9m8d 2ovqp6zgy 4n *nt0;

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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 l5:dejgtylk9gn2/ * tn wc( m0of the following choiceskdlwng /9*2 ml:5 e(t0yjg tcn 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 wrapfq0y4:n+eif g ped around an iron-filled center. Due to budget cuts, the current that ordinarily runs through this solenoid is cut in half. As a result, the in: e 40qyffnig+ductance 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 lo6ht( 2/vmmm, k xtj8mpng time, the switch is flipped from position A to position B, thereby opening the jmktmh 6mt,8mx(v/ 2 pcircuit. 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 the suggested changes in th cf s(g8h5nuq: gql+4ze circuit (labeled I, II, and III) would result in the initial voltage across the inductor (at the instant that the swil+ (zhqqgn8sc45ugf:tch 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 hvr43v)3 ty. kkam ds f3.ure3operating for a long time. The instant after the switch inv)3m4rsk 33vhu..ty kdef3r a 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 resistancezhj6n t)v(e )g rj2al+q;ch-a is R=10.0Ω, the inductance is L=5.0 H and the battery -) avr jch; 6aeg2)hnj qtz+(lhas 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 lz pm f*;fz:,wbw8k 6slgzb0- simple RLC circuit to receive a radio station broadcasting at 660 kHz. To receive a station broadcasting at 1320 kHz the capacitor iw*mfw z86z-s 0 :,gbzkf;lbl pn 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, what is the tim a ei69auf4ot+wnc9z 0e difference between all of the energy in the circuit being stored in the inductor and all of the energy atc9fw+o4u 09a zeni6 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, capaci+4ip).j brz vator, and inductor connected in series to an AC source. As the source frequency increases, the current in the circuit decreases. Which statem abiz .j)v4+rpent about the circuit is NOT correct as the source frequency increases?

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