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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 represe,f,1 sdgaptq .nts the base SI units of induct.s 1,atpgd, fqance?

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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 in1s9y ue 1,xjs .gh 5ohpj73myl units of “ohm∙second.” Which one of the following choices repres,y uhj7 s9e1p.ymhxjgol53 1 sents 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 o-rz77fa *-lmhau8zd if 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 inductance of the sozf hmz -au8* -7il7dralenoid 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 sho9bppr .z(njh2 wn, the switch is moved to position A.After a very long time, the switch is flipped from position A to position B, thereby op ph(9jznpr.2b ening the circuit. At the instant 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 circuit is shown. Which of the sugo;egbti .wzpt:vb+gim+/.. i gested changes in the circuit (labeled I, II, and III) would result in the initial voltage across the inductor (at the instant t/ig:.tm;iw.gbzb vt+ . + poiehat 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 loir-/ mv wb6t6pw,5o pvng time. The instant after the switch in the circuit labeled S is opened, what is the voltage ac,ow pv6p -5 ir6wbtv/mross 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 g 1lfsj(5k2l )oqxz*l 1lcp)40jaajqis R=10.0Ω, the inductance is L=5.0 H q))o(alz01 fk*l sjcpq5 2j axll1gj4and 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 circuit to rw* wgdva kc 0r6gw0zyi* i(8a.eceive a radio station broadcasting ry di.agkc 6*av0w* wg(80zi wat 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 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 betwew)v pyjvze* iu)6.e.len all of the energy in the circv w.jv )ei6lyuz e*p).uit 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 h mbb4 7jnhe 2*:qb2eoa resistor, capacitor, 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 source frequency increaseqb7bm:h2ej 2 noh4 *bes?

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