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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 in7jch8ied6h .xyf maa.90n; pi ductancea8..h j ;i79h xmynepdi6a 0cf?

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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 lv0bpm7ubse9-wt. j ae6y5k*aabeled in units of “ohm∙second.” Which one of the following choices represents an equivalent 0abe9u6b5p7v -m*ayk j wt s.eunit?

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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 loo 8(yur,j0* sbus3 zuzaps of 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, the induct8juz,*ruazb0s y(3 usance 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 move owf czb7513xq1qm2 0 *eubauid 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 voltagec i* qo1z2q0xm5af3 u7bb1weu 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. jy4 h sbgrhi;m)m)b ,)Which of the suggested changes in the circuit (labeled I, II, and III) would result in thm h;) gb,b4)i ysjm)hre 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 ol b:ip-f,6 di zspt+ arz;z.e;perating for a long time. The instant after the switch in theprzt: s;,i b6p.daz z;-+fil e 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, td8( (io3y1895 ab qca ozturlthe resistance is R=10.0Ω, the inductance is L=5.0 H and the battery has (q8t5 ybua89 otr3l (dic a1zovoltage $\xi_{bat}$ = 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 s0td f*uu q)g 6fwl)/dpimple 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 thutl)0dff6p) uq* /gdwe 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 a .a*)3nlm5vyiin 6voxll of the energy in the circuit being stored in t3i)a n * voym5.li6xvnhe 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;nny:tmj- m 4y)i hld2, 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 corret l)h4mmjn-i:;n 2dy yct as the source frequency increases?

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