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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 represents the base SI1)nqy znlvm57aqun75igqu35p 3 h s8r units of inductanns ln qzu3ir7p5gh18 qu53my a) qn7v5ce?

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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 “ohmh j/8bdu; bp1p∙second.” Which one of the following choices reprp18ujbd /;bp hesents 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 of wire tightly wb p)uz 4- fry9-sj7sm8 )fstcmrapped around an iron-filled center. Due to budget cuts, the current that ordinarily runs through this solenoid is cuy7m-t 8z- f49j ))srfubpsm cst 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 switcm58 4e,**r/uhkyb- fuoh p8s dm-vtzlh 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 l8,8*bh/ hsp uoy-mvm*z kd5feu4t- rmagnitude:



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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 in2n, -qplrfz;s the circuit (labeled I, II, and III) would result in the initial voltage across the inductor (at the instant that the switchp-s f,2 lqr;nz 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 instq5c (k1lbuagq1g0rekr769 fvij +f4uant after the switch in the circuit labeled S is opened, what is the voltage across the (bq u+ar4 g qgkefi 95 1ulkvcjrf7061inductor $V_L$ 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,,-dd vo890td4z ne -ie(tzh8j5buv-jwb ao: n the resistance is R=10.0Ω, the inductance is L=5.0 H and the battery -d(j bn i-9h ebtd8o5j,a 8:-zwn vto4ve0udz 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 setm9 t)( rj )o+.coojlpd 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 circui d)j+rml o o.cp9()jtot 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 cv uyd t7me2af-4 o*wjq0k /;hesho1g8 ircuit, what is the time difference between all of the energy in the circuit being stored in the inductor and all of the energy being stored j2a;yowq7v14d kue/g0-hh*fe stm8 oin 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 re ev/2jj*xmn 36 kee;emveo /,0,c lfbesistor, capacitor, and inductor connected in series to an AC source. As the source0,vml x* em;ej/ 26nb 3v/oeceke,jfe frequency increases, the current in the circuit decreases. Which statement about the circuit is NOT correct as the source frequency increases?

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