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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 bas 2p/a-jip)eve1 si5 *y cx16vwkk:rcae SI units of inductanceikicr a kwj )p x-pe/vaev*cy151:s26?

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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 “ohm0 w66 wubit0t,lum xm:∙second.” Which one of the6 b w,:0u6m0tuximwlt following 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 withi4wsjrt(j 5(ohfqxq , :tw(k a4(q bu3 N loops of wire tightly wrapped around an iron-filled center. Due to budget cuts, the current thakwrq 3 i(u(j,4at5(j(xf qwoqt4b s :ht ordinarily 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 a very lob/ 71;02z beivzevwhrg+o2 xy ng 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+; xre71b zi/ebzo2gvw hy2v0 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 suggested changes in the by bf0s ;z1wh6circuit (labeled I, II, and III) would result in the initial voltage across the inbh6sf ;y0w 1zbductor (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 time. The in+gtc hmj j83fow-b6m- stant after the switch in the circuit labemjwc6jo3g8tm-bhf +- led 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 RL circuit shown, the resistance is R+xc+en.7 zgypz6 0be)l7tuasem8/ ut =10.0Ω, the inductance is L=5.+ 6utz 7ec7 /+.bya tepl)nsgxu8mz0e0 H 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 meanslm7-p3luyfyi1e 7 cix,zl ,3 i of a simple RLC circuit to receive a radio station broadcasting at 660 kHz. To receive a station broadcasting at 1320li3x7plf-,yl czu em, 3i1yi7 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 LCoq + ozt)s-gx1 circuit, what is the time difference between all of the energy in the c)xqo g+1zos -tircuit 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 ind6mnm2ob8w v3dsl/z0p uctor 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 incrn b36dsmo /p w2l8v0zmeases?

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