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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 :o9ufpin thisv8, my0zr-c tmc,6 )i7base SI units of inductance? 8ic6y7nmtfui,:hr)z ic mp0o-v9,s t

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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.” W/3 0smyi7;wxcqbc; skhich one of theymxqsci7wb; ck3/; 0s following choices 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 wrapped around dg y t:7c/4w62zb8/kxcopjv jan iron-filled center. Due to budget cuts, td6 7k b/jj/8oc2pv4yc zg:wtxhe 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, tuwp2t7gjb,ilx. r *9xhe switch is moved to position A.After a very long time, the switch is flipped from position A to position B, thereby opening the circuit. At the instant immediately following the flip of the six9r*uxjt7 .bpl,2 gw witch, 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 th dhe 3 xarx2d2uun35l xwa.,4he circuit (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 nau3xw3l , 2x5hxdh2aud4. re 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 showv2vfl9m4*gmp 8l n;9n u rar6yn has been operating for a long time. The instant after the snnumr8l 94vpmg 9;fa v *ly26rwitch 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=10.0Ω, the indug:v .0q8ijbq bctance is L=5.0 H and the b8q:bjqib0v . gattery 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 simple RLC circuit t2m7y68d1cv1jn guqc 1 vc 9nhlo recm jvnqvngc1y81 19l u2ch6d7ceive 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 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 o8 ivv3it, rqv(f the energy in the c8(rq 3vii v,vtircuit 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 connected i 1x h sp8em+ /s6:8;*4ecsorphnkp tdyn series to an AC source. As the source frequen hs 6; xp+pr*msnkhd :t48yes8e1cop/cy increases, the current in the circuit decreases. Which statement about the circuit is NOT correct as the source frequency increases?

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