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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 rep qfdhqf1::c. bresents the base SI units of inductanc:.fcdqqh1f : be?

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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∙s15h o; ibvrfq8econd.” Which one of the following choices represenqi5fb 8 h;1vorts 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 wim rh) zl81xql +;qtd(kth N loops of wire tightly wrapped around an iron-filled center. Due to budget cuts, the current that ordinarily runs through tr8 qtzldlx ;k qh1+)(mhis 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 sfdvkkl)e0*xs)kc / t)hown, 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 instatd) fx*kk/l)vc0 sek) nt 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 c -yo2c)n3zkz(ofai2 c3shr,e ircuit is shown. Which of the suggested changes in the 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 whazoo-niyaz)krs, (3 h 22ce3cf t 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 /rh1j )o-k (ku 6yexgioperating for a long time. The instant after the switch in the circuit labeled S is opened, what is the voltage acrukk-gir)6/(j o e1hyx oss 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=10.0Ω5))35v c;luljpv6tqkx i23, wq xhjun, the inductance is L=5.0 Hn xv5kl)u6;j3q ,hq 2) 3ljxwvitcup 5 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 simple RLC cirza x9sptcj-57 l4dgc: 9jjl/u cuit 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 tunc9g a9szj cp5/d74tu:j-x l jle 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 jda7+f; prh:i t4j. 09 pz*aba,begfm time difference between all of the energy in the circuit being stored in the induc7p4eaz +mi *dhjatgj ;a .fr,0:b fpb9tor 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, capz.73d 2lqvwtu(cmf k +acitor, 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 l(23fwt.+kz umv7dq ccorrect as the source frequency increases?

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