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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 of mym h)/ vati :hq(gmz.64; ldtda19ffinductancmfgh y1q6fh/.z ;vm t mdi4a9a)lt(d: e?

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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∙sybzvl tt.k;a(5 i3x0xecond.” Which one of the following choices represe(kx bt 5y.3tav zl0i;xnts 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)k rb. 9q hgeo(gco.r1 N loops of wire tightly wrapped around an iron-fil.orkhbg9(roe )1 qgc .led center. Due to 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 very 88z sx.xhx2j p-* scdz-wvzb3/n-uaa long time, the switch is flipped from position A to position B, thereby opehxa2 zwa8/u-n.s p jd*b-cs -x83xzzv ning 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 circuitqjm uzdr7p v+rm*,:2x/: v qeo is shown. Which of the suggested changes in the circ,vd v: /m *:uqrq+or72jzmepxuit (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 hdn6g t-ai3 3qv5ysbn/as been operating for a long time. The instant after the switcb- dvtyaqi 53ns3g 6/nh in the circuit labeled S 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 is R=1 le1f(d9nw8.7rc,gr +b+ pardm*j ymc0.0Ω, the inductance is L=5.0 +1wcnjd8b9c e+lr p fyam.(*7 m rdrg,H and the 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 a crystal radio set by means of a o 5ipgd) g /fcddnss57i2.:fxsimple 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 tocd:s s igif fpod 5g7).n5/d2x 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*f( jcxz.-dtlz13ydh; jq jn-, what is the time difference between all of the energy in the circuit being stored in the inductor and all of the energy being stored in;- - fjcn(jxd*j31zz.hqtl dy 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 connectedooh:diu om4ba9 89gq ( in series to an AC soudom9a g( u iqobo984:hrce. As the source 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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