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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 represents the base SI00u;s 4resa)q iz2 sl+fgjh1b units of inductanj1sflisr0sab )h;0uzg4+2qece?

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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 la) q)1jl:nk(0pxailw z beled in units of “ohm∙second.” Which one of the following choices represents an equivalent unit) ia0wl(nqlx z1) :pkj?

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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 coyl8bd;* v,tw (yfd-kxnstructed with N loops of wire tightly wrapped around an iron-filled center. Due to budget cuts, the current that ordinarily runs through th-;d8d*,wf kx tybyl(vis 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 movedcpp,xau48cq 5 to position A.After a very long time, the switcqxap5 ,cup8 4ch 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 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 isuk 1p:al sal., shown. Which of the suggested changes in the circuit (labeled I, II, and III) would result in the initial voltage au1a.s:kl l,pacross 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- ktd2rd ilq(5 a long time. The instant after the switch in the circuit labeled S is opened, what is the voltage across trdl 5tiqk -d2(he 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 cire xhvbtea9 9)xe(d,*:sw pf :kcuit shown, the resistance is R=10.0Ω, the inductance is L=5.0 H and the battery has voltagv) ehx s pdke:x(bew*t,a 9:9fe $\xi_{bat}$ = 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 crystahu83 8ax v7e)1rvhhoihe3h 7bl 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 capacito7bh h8xhuev78i vh)13oa3her r 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 difference betweenrw5g9)/nl z hn:yaoki,/, k nl all of the energy in the circuil 9,i,/orz :k5k)/anny gwnhl t 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, capacitor, and inductor conne8 exk 6v,xh,-v c-yk5chw,lijcted in series to an AC source. As the source frequency increases, the current iw -5,cex, xv8k-h, cvkhj6lyin the circuit decreases. Which statement about the circuit is NOT correct as the source frequency increases?

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