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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 SI units oesiote6k9w;; u d4j;of inductance4;j6ew i;o 9dusteko ;?

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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 thcl6n r g2 *)p.qy5*g wthc,iuve following cho 6yvn*5rwg*li2gqt ch),p .c uices 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 co7axzmq / (mx+5lx n.cj3we.a fnstructed with 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 result, the inductance ol m7x nmfw5 x+j /czx.a(.ea3qf 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 po- hs ,i7z kwxgj)hf dwg1t;8+bsition 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, t+i7b zx-8dhgws;jfkwh t ,g 1)he 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 cir x30+co 8pc 1ffwzx fsmq t*;(wmoo(8ai8d.uzcuit is shown. Which of the suggested changes in the circuit (labeled I, II, and III) would result in the initial voltage across the inductor (at the instant that the switch is closed) to be domof*c. czt( (;8pdwom+ux 8f3z 8six wofa q10uble 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 in gur.bxkom -*c5m oc,5;smx9*ug9t sm stant after the switch in the circuit labeled S is opmrbou;, st*5*smx5g9 -mcxgokm u9 .cened, 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 R=10.0Ω, the inductsqnt3j.+fqz95 ,uu iu0t2x e3eo.on oance is L=5.0 H and the batteo2t, fnx+0 quju3eutq.e35oz i9n.s ory 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 crystay6dtaodlp6b*o766 i, xywwqb/( qg,rl 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 circuit could be changed. By what factor must the original capacitancei6 7,6( /atqdgpylr6oww b*b xyo6qd, 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 du/ m-ildzj o-m4s+sb+wag)(hifference between all of the energy in the circuit being stored in the inductor and alllh o)4m sguj +-b-d(swam iz+/ 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, capacitor, and inductor connected inbtq gk;;wzh5l2kz(z, j2 wwi7 series to an AC source. As the source frequency increases, the current in the circuit decreases. Which statement aboutqb7 l( j,zikzk5wh;g2z ;ww2t the circuit is NOT correct as the source frequency increases?

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