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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 Suhm- u zs;2f7zI units of inductance?;zf2u-smu7zh

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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 bp.r ng9 okdlzw.;(v+v9f;hd “ohm∙second.” Which one of the following choices reh;kdvnb;(.oprvd9 +w glf z9.presents 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 tigqf ((xr5 p*gk nr +b(6dspll+fhtly 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, the inductance orsp(6xfpl + (rdkqb *lf5 (ng+f 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, q4gw) :0 plmyovh+ 9uvthe switch is moved to position A.After a very long time, the switch is flipped from position A to position B, thereby opening the circ w+vm hqg:vluop 094y)uit. 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 changes0olp 1-tfs qozh:wy) 0 in the circuit (labeled I, II, and III) would result in the initial voltage across the induct0hp o:1 zltyq-)fwo0sor (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 le6c5kmx/becjf:78f 96yp va2 o b2dohong time. The instant after the sw p9ob kj/2 a vfc:e2fbech do6xy8m765itch in 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 i1ne6ka)/w veshown, the resistance is R=10.0Ω, the inductance is L=5.0 H and the battery has voltag iwka1/ene 6v)e $\xi_{bat}$ = 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 f01 hym 5ezsw9of a simple RLC circuit to receive a radio station broadcasting at 660 kHz. To receive a station broadcastingz1msyf5 hwe90 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 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 differencer+)b pa - 6os.c,inepxhzbr 0*dl* 9vs between all of the energy i bs* h p ri9nde*p ,arovclx).s0-z+6bn the circuit being stored in the 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 of a resistor, capax-a) dr rjg-xq(zy rk4dvb *21citor, and inductor connected in series to an AC source. As the source frequency increases, the current in the circuit decreases. Which statement about the ddj gzrq2*1ax 4)-- yb(rkrvx circuit is NOT correct as the source frequency increases?

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