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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 foli2h iz zf,5dp*lowing choices represents the base SI units of induct5p2dif i zzh,*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 of talq7x.j w(o1sdoe*tvr0twe3 dxmh-fv6 5(x4 he following choices represents an equ6 wd.e7r(*tsvxdt 1a 0jxoq-5lx(m hvfw4e3oivalent 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 constructedrgcdpw)g 37,-t r +seg 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 7gg ,dc +wrs)3 tegpr-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 swr280,v1unk bn d/wlpx w8f 8cgitch is moved to position A.After a very long time, the switch is flipped from position A to position B, thereby x8nu /gr8nkwpvwdfc1,2 8 b0lopening 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 suggeik 4p15 dwvc 4ehz0gs.sted changes in the circ1k sgh zc.ied 04pv5w4uit (labeled I, II, and 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 beeui*ig8 p3b-dp th1 l*fn operating for a long time. The instant after the switch in the circuit labeled S3tgbfpupl*di - *81 hi is opened, 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 isg2vds pu:ch6* R=10.0Ω, the inductance is L=5.0 H and the battery ha *d:pgscv6h2u s 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 a simple RL4qlrreyx n09v: i5ea*C 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 capn*ir50lq :y9veer ax4acitance 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 i ry nci0v-90zp 4bk,rys the time difference between all of the energy in the circuit being stored in tvn9y0 yck br,i0z-r4p he 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, capacit)m-q/y 9,hwqxi lqal 0or, and inductor connected in series to an AC source. As the source frequency increases, the current in the circuit decreases. Which statemen0w/)i ,l -aq9hmxq lqyt about the circuit is NOT correct as the source frequency increases?

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