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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 choices represkm nzi9(p zk2(ents the base SI units of inductance(zi kmp(kn9z2 ?

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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 :6; ot p- g)xb8mobkzrparts is labeled in units of “ohm∙second.” Which one of thet;gom b)o-z:px6 8bkr following 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 tightly wrappe/jx7:md bej,gl j x4k7d around an iron-fl,jbkejx77g x/dmj : 4illed center. Due to budget 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 tu sydfb5+;u6 mo 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 flip of the switch, the DC voltmeter shown resuub 56f ;ymd+gisters 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 suggess;z vbh;h q8*oted changes in the circuit (labeled I, II, and III) would rs8;*v hqbhz;oesult 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. Th2jbycod7 ot ; 1muwp8;isjp;bst11t ,e instant after the switch in the circuit labeled S is opened, what is the voltag,;d ws1t tp7;i;18jb1ojc uy pbsomt2e 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 6 f+hiz8/fp klshown, the resistance is R=10.0Ω, the inductance is L=5.0 H and the battery6f /zk +ilhp8f 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;dwa3pp1 ntb/ oe/rg4 a simple RLC circuit to receive a radio station broadcasting at 660 ktpwd;p 4nba//e rg3o 1Hz. 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 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 differ6gh+ p ;q*k/ gym5qvraence between all of the energy in the yp*h+g vm/kga;rq q5 6circuit 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, capacit8p k0u5qz8zqp/-;.x( ip5i0iukv n f2kgfvoaor, and inductor connected in series to an AC source. As the source frequency increases, the current in the circuit decreases. Which statement aboux8vfg8f zai i0q-vko/0p(5 z;knpu i.p 25ukqt the circuit is NOT correct as the source frequency increases?

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