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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 follo(lp;c( 0ytrgrwing choices represents the base SI units of inductan;0c(r tr ylg(pce?

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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 zf(yy7 ghm2c-kzx /vl.1 da:ymwts1- in units of “ohm∙second.” Which one of the following ch-y:k7 vm/2zta yh(gcf s.l11mxyzwd -oices 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 wrappej9mc *c( ufum5d 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 of the sjcu(5f9m*cm u olenoid 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 ,8nkpsg4i; :g2 uq mqyswitch is moved to position A.After a very long time, the switch is flipped from position A tnm4 uq:si q,k2gpyg;8o position B, thereby opening the circuit. 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 shownojj ,r)u95zzs . Which of the suggested changes in the circuit (labeled I, II, and III) would result in the initial voltajjo5 )u,zrzs9ge 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 s ;4ueetr *0acvhown has been operating for a long time. The instant after the switch in the circuit labeled S is openee uc4art;*v e0d, 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 resista r ;g8lengr )4lu4+jacnce is R=10.0Ω, the inductance is L=5.0 H and thee ggar4c;lu l8n+)jr4 battery 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 fb0.4 mgh c6soa 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 circuit coul0f.go64mchs bd 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 between all 9vh1zw1)4 zg dghu d-*bfyrg. of the energy in the circuit being stored in the inductor and all of thfz*gb h4r )g.z-hy191 u vgddwe 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 o,wfya/35bha a resistor, capacitor, and inductor connected in series to an AC source. As the source frequency increases, the current in the circuit decreases. Which statementa3a b w5/o,fhy about the circuit is NOT correct as the source frequency increases?

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