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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 represl6:yj).9 jj yepv)dq;ws a;hhents the base SI units of inductvh 9;)y;.y 6j)p: dheqjsl awjance?

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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.” Which one of tjnvkz e99xv-47 5fh jh12f wsphe following choices represents an ew2 54x9n fksvv-hj17p9fe jzhquivalent 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 wstn+ oiyn,w)* rapped 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 inductance of the solenoidnys*oin, tw) + 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 z*f 9pq4mg8*uvg9d mb)ht n9 bz/qge/ 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, them49nhg8tzv *9 f/g pb)9qzbmd/qu *ge 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 ofd)lbt 1ct+ xy) the suggested changes in the circuit (labeled I, II, and III) would result in the initial voltage across the inductor (at the instant thattxy )ltc )db1+ 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 lonb)dou9; rce:t9qmd/m g time. The instant after the switch in the circuit labeled S is opened, what is the voltage across the ib)rumm t :c9;ed9/d oqnductor $V_L$ 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 cvco n /xk3nvblkbs3m5c:f qo--1 t i,o(6 zco/ircuit shown, the resistance is R=10.0Ω, the inductance is L=5.0 H an(q sz:c-mln/33,1 vot /oocb-n ikk6c obf x5vd 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 )bfxd* t(gon)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 the RLC circuit to the new frequen*nbd o(tx gf))cy?

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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, whaty ujskz(:0p-- 2ftto) lxsrs) is the time difference between all of the energy in the circuit being stored in the indutpxtl us02zkj)-o:) y rss-(fctor 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 inducd /0cizef;zt*( r vss8tor connected in series to an AC source. As the source frequency increases, the current r0 if*t8(zsd;v/se zc in the circuit decreases. Which statement about the circuit is NOT correct as the source frequency increases?

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