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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 chosofoal :whz (:) (t9ixo,bl)jices represents the base SI units of inductaofibl(:9w l,)o)zs jt(hx: o ance?

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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 a9chjj-8rp vznyp7 v -*j 8n1xof the following choices represents an equival -pyvx pn8rhjj *-7zaj89 1vcnent 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 wrappedwuv:54- p0 sqemn 7g hm*8qkzl around an iron-filled center. Due toemvqhs4-7*gz p mkuw0:85 q ln 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 to position A.After a veu x3ofrva3 2,5jo ud)jry long time, the swixd)av53u23ujfor j, otch 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 is shown. Which of the suggested changes in the aluf8* ulp9tb ldw4+6circuit (labeled I, II, af+wl6l8*duu t l b4ap9nd III) would result 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 ow.p6x33xlc xk xobc4bh7y/p - perating for a long time. The instant after the switch in the circuit labeled S is opened, whatwp37b l. 6x/o-c cy4 x3khxpxb 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 showi;eghc61bu dxwncio(bt,f c76 p /8k) n, the resistance is R=10.0Ω, the inductance is L=5.0 H and the bace)/bf pu(,6o; g6ci 8 wbnckhditx17ttery 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 /z vn rp1udy/+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 capacitance be multiplied to tune in the RLC circuit to the ne1r/z+/n ypu vdw 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 thh1co rvv tz 2wfo;0o1zg 0.)q3ls -jlge time difference between all of the energy in the circuit cvwj)21rsh 0oolzzg.l 0 og3; t-qfv1 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, a/h0eqs 5/gi,hz pz lbf0r9e8n nd inductor connected in series to an AC source. As the sourcehpg8 qiez/rhf ebsl95n,/z00 frequency increases, the current in the circuit decreases. Which statement about the circuit is NOT correct as the source frequency increases?

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