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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 followias (a1s4 ,+cscf rjuo)ng choices represents the base SI units of inductance?ra+) fjoc ssa,c(u41 s

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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 pajs -*1al-1vq.mbpm24hpg fm -ck ttz0mlq0( grts is labeled in units of “ohm∙second.” Which one of the following choices represents an l00plm2.kq-- a1hbtm j-v(q1m fs4 *mp gzcg tequivalent 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 frkzdj)/a c/1dspc kkd3*k4/ t qz7g7 around an iron-filled center. Due to budget cuts, the current that ordinarily runs through this solenoid is cut in half. As a re c pc4f )j37/1ddkgrd*t aszkkqk//7z sult, 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 sk /ez btvo;p-b:*a3tcwitch 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 switch, the DC voltmeter shown registers a vol* :v3kt;btpa c/b oez-tage 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. W5gp li,db9vpbp 1yz7/ hich of the suggested changes in the circpl7b/b9pv1ygi 5,d pzuit (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 been operating for a longp n1q0(l .t2d8nmu( 1k;w,ccsa:kdfvkzsa f6 time. The instant after the switch in the circuit labeled S is opened, what is the voltage a8 (a:zndavpc c n,;qmk6sf.s(d2u01w 1 lktfkcross 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, th(qw7 gik l4 mk1ibc 37:7hxv6uit rtg)e resistance is R=10.0Ω, the inductance is L=5.0 H and the battery has voltagrglxiii73:v1c kbu(6t w4 m7k )t7hqge $\xi_{bat}$ = 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 .wzui muyaflgvj ;4 57,u9;jl 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.lf luwgvy;uj7m a4;,5i 9jzu. 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 diffecs ubso9ud e:tz;h,.wc4*s .erence between all of the energy in the circuit being stored in the incwuss,c.edt*hu s ebz:;4o 9.ductor 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 consisj 8q64sc0 xuixts of a resistor, capacitor, and inductor connected in series to an AC source. As the source frequency increas08x x4s jiq6uces, the current in the circuit decreases. Which statement about the circuit is NOT correct as the source frequency increases?

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