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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 chvk4c 5yl p(lmy/d hb/;oices represents the base SI units of inductance?//dl4pk5hv( lmy bcy ;

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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 g0u87 5w9 dko *nezc v7bmyn+yb:xa7g in units of “ohm∙second.” Which one of the following cdyv+bg0ck7*u b znnwa7e7go589 :mxy hoices 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 of7-sfxb+ db)o b wire tightly wrapped around an iron-filled center. Due to budget cuts, the current that ordinarily runs through this solenoid is cut in half. As a result, thf)s 7o+-bb bxde 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 spz 1 x -tco0in1-c j0.-xddbbuhown, the 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 x-1d0x1u bin cpc-o.zdt b0- jof 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. Wur- 1)k2vrmj fhich of the suggested changes in the circuit (labeled I, II, and III) would result in the initial vo-rrv u2)f 1kjmltage 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 operatfv g;dwjl*8b tpu.; m;ing for a long time. The instant after the switch in the circuit labeled S is opened, what is the v w;8pf*;. gtjdu;blmvoltage 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, i5t/ss0w9h ,s8-qjwzksmrlv 81 jx2j the inductance is L=5.0 H and the battery has voltage vtr,j 9/xj8sk8 jq ml5sszhww1 0s-i2$\xi_{bat}$ = 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 bdvfd*c5 fp 1y)y means 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 mult yd*)vffpd 1c5iplied 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 LCwu7z n+ewe2x1 circuit, what is the time difference between all of the enern+zw e w1eu7x2gy in the circuit 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, cayrf:kq z3pcd6y ta);+s8gw6v pacitor, and inductor connected in series to an AC source. As the source frequency increases, the current in the circuit decreases. Which statement about the circuit is NOT correct as the s:d86t3gv+ )yqr6zawf kpy;c source frequency increases?

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