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习题练习:Electricity and Circuits: Inductors

 作者: admin 发布日期: 2026-05-21 08:56   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 6w7.1e, o6sg tiknuda1mzqv,inductanc6,adqvw1s6 7 ng,m1 otke.iuze?

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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.”kb090 n ny2-y umjaqd8 Which one of the following choices represents an equivalent unit?bn0y ka nj2q89d0m -uy

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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 wj 8b z i(vj0t3emv2,r ;wm/mu to,j1arrapped around an iron-filled center. Due to budget cuts, the current that ordinarilyt1,;wa ,rm m(mze8jv/ji3buo 0j rtv2 runs through this 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 shown, the switch is moved to position A.After /x8gv r nor-4sa very long time, the switch is flipped from position A to position B, thereby opening the circuit. At the instant immediately foll -8vxonrg/4r sowing 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 circuvjcvw618 6,6mpqo-bm rdygt0 it 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 swi r6bdtwocqm0vgpm y66vj-1,8 tch 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 ope2 7my xnwpnz;v s*-;cv/cji m/5r 8eaqrating for a long time. The instant after the switch in the circuit labeled S is opened, what is the vol/vvxazrn*7n5cc;i2psm je/;m8q -w ytage 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, the reskf)h*8ly7 pedistance is R=10.0Ω, the inductance is L=5.0 H and the ldep fhk)7*y8 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 ay o6w:i8k.rlz 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 ckr6i.z: o 8wylapacitance 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, what9-1 egtq mxix)yfp ;,bi.u:pd is the time difference between all of the energy in the circuit being stored in the inductor and all of the energy being stored in the di;pmfb) -,.yx9:tpux gqe1i 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 res blu j8r4x3fso1p.p*u istor, capacitor, and inductor connected in series to an AC source. As the source frequency increases, the current i rx.3 *ulp81upb4ofjs n the circuit decreases. Which statement about the circuit is NOT correct as the source frequency increases?

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