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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 repr)k qpjmar,z 4l+ 5r n78bh5hhdesents the base SI units of inductakb7)l d+h5z r8mnhahjr5 4p,qnce?

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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)qsz 4c(p-sly is labeled in units of “ohm∙second.” Which one of the following cqy)p-s(l4z cshoices 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 N loops ootymc,gy0e+g7,+c giy : vc+pf 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 i7p+:v +ccyom g+,ygt0eg, cyresult, 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 lo4h.(qwx9f ,pamtxo0 n43 jew nng time, the switch is flipped from position A to position Bh,fwnx3wojq. ma 4p t4ex(9n0, thereby opening 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 iohv*6j18dp9:pffc d0tdfsr q 7;bh8 ls shown. Which of the suggested changes in the circuit (labeled I, II, and III) would result ihsffv1jf 86 pcb ltdor;q709h *d d8:pn the initial voltage 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 a6ymne97 i/dn2ni -glx5z ahv: long time. The instant after the switch in the circuit labeled S is giz6 -dnnixe l:h259a nmv y7/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, th mnknd,xvf6f 9g u 2yjto(;:u2e resistance is R=10.0Ω, the inductance is L=jnmf v9oy;,dnx:g f2(u62u tk5.0 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 means of a simple RLC cirj4 aqofj7nc1m0 ybxxi589bi 3cuit to receive a radio station brojxncf59qx b0i my13bj7 4 o8iaadcasting 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 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 circug4 s+4)s9xdy wm-a k825r5z ztmnbilsit, what is the time difference between all of the energy in the circuit being stored in the inductor and all of tsxz 4 8i-)r9msnd4myz+2 t kaw5lb5sghe 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 connectetwj)6 x8l8)jdmz q9l hd 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 sour j)lz m j9qh8w6lx8d)tce frequency increases?

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