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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 following choic k;ndk,e 0cx a ,7;w almh;updr2e,xy3es represents the base SI units of inducta ;7cexxanl 0;,k,u,m kwdp3ea;rh2d ynce?

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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, ys/ n7qrbdjc( ry0lcgd 42t) in units of “ohm∙second.” Which one of the fbcl7y/0,jdr2( ngsqd4 r cty)ollowing 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 ti4)tfp akz*72(tdl (rsncy 2.ubtk 8nmghtly wrapped around an iron-filled center. Due to budget cuts, the current that ordinarily runs through this solenoid is cut in half. As a result, the4.r*p zm c (db tn)ly2fk(7usak8ntt2 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, rmb:b2mcff h5a) akuvx79* y +the switch is moved to position A.After a very long time, the switch is flipped from position A to position B, thereby opening the circuit. At the instant immediately following the fbh+9m )a ub5c2 *fykarfv7xm:lip 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 showt7hf ht8e vxwhwz7- 1 w2-cnwg5b8) zcn. Which of the suggested changes in the circuit (labeled I, II, and III) would7f w w-z18tcch)v 7wzw8xnt 2gheh-5b 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 operating for a long time. The instant afz:j zo3fx.cnj (r54xk ter the switch in the ci4norzz c3j.k fx5j:(x rcuit 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 resistanv 67tw *dpcx g. ivthfen:7/dnp t)n7dg/xr06 ce is R=10.0Ω, the inductance is L=5.0 H and the battery has6gx f6.7 epxv 0)/i/dt7drn vcd7 *tngwn htp: 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 7,69 zi4y2dskb5dlabd2t dg sd77piq a 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 circui62isy7t9qd,d7 dsgl2p4a5 7k d ibzdbt 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 betqrcc- -d lw)p7b z5f+ */aidhnween all of the energy in the circuit being stored in the inductor and all of the energy being stored in the capac5i+ddw/lz*bh-n-faq c7c) p ritor?

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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 connectx t/9upzc 3y gnann064ed 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 source frequency increasxn94 0anz cu3p6tng y/es?

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