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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 choic2qkgu x:s c.c8es represents the base SI units of inductance?8qx u.c k:2gcs

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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 un7 co 2pt+n0g*)xrtuil its of “ohm∙second.” Which one of the fnclt pu+i7x )0 2rogt*ollowing choices 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 vpoo2er(;2qz t: o5lbN loops 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. A5e:ro oqo lb2v2pz;t( s 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 shogga9fm+(d; hx mq u8 z .i94fm-pmoq(own, 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 of the switch, the DC voltmeter shown registers a voltage of magnitudemo f;4d q gz x(-gp 8.mia+fo9qmhu9m(:



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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 sujh q*qd+gy)azu 03tj2(6 tt deggested changes in the circuit (labeled I, II, and III) would result in the initial voltage h(t q2+gzya0utd tqd)jj36e*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 operating for a long/(w ,ac p; ormlv*jkh)f) +xyj time. The instant after the switch in the circuit,ox ()yf;*/ wca+v rj)pmjlkh 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 RL2cs jbv1)pr rbct;h6 / circuit shown, the resistance is R=10.0Ω, the inductance is L=5.0 H and the battery has vbh 1sc)vr ;2tcp/ j6broltage $\xi_{bat}$ = 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 crystao3b:( 6xjde yl.a/u4rhtz :vxl radio set by 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 multiplied to thay4tou r .6:3j xvlx (d/:bezune 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 between allc(nuj7.w 3tdip/; 7wee5 hqmm of the energy in the circuitm wmh7ej(q weic.3npu5 7d/;t 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, capacitor, and inductor connecvq hd01):bc0o /jbpq hted in series to an AC source. As the source frequency increases, the current in the circuit decreases. Which bqv p0db1jh):q oc0h/statement about the circuit is NOT correct as the source frequency increases?

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