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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: 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 b 9h66fxjdn ;scutdx+uz) 44z oase SI units of inductandc+z 49jh;6 sz u6f)xdn u4xotce?

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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.” Which2a5hufkgr 6ul02st 3v one of the following ch326 f5uhgta2r0 luv ksoices 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 of wire tightly wrapped arou4vsvm xues )w b+u4:s.nd an iron-filled center. Due to budget cuts, the current that orbu +.u:v4mvws s4x) esdinarily 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/8beyl/nwxuc0c(slb .z ++ he 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 8(.+ s bh lz0bncy ec//lweux+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 is shown. Which of the suggestedm uo73 coe4y-m changes in the circuit (labeled I, II, and III) would result in the initial voltage across theo-u7ye43 omcm 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 be/1 e )f;w l kfze(hct(l3x9zgden operating for a long time. The instant after the switch in the circuit labeled S is opened, what is the voltage across the ke)1e fxftclzhgl9(;w3 /(dzinductor $V_L$ 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=10.0Ω, the (2mgo i-nbpi8 inductance is L=5.0i8gim-nop (b 2 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 wge3 uc 2hxj-az(bwwx/8, qx;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 originaa(h/wj8xxgbxwu3 z-ec, w;2 ql 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 circuit, what is the time difference between al4dy4 as3q*e4dhx .;)ery euvyl of the energy in the circuit being stored in the inductor sq3veh4xa)u yyee*d r4y4 ; .dand 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 inductoxr* cgoj+yd u *.2xut/r connected in series to an AC source. As the source frequency increases, the current in the circuit decreases. Which statement about thex tur gdxo.y/c2*+ u*j circuit is NOT correct as the source frequency increases?

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