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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 follo+7uls 1da,o bpeq-5l xwing choices represents the base SI units of inductane q,xpl-b d1ou7a5s l+ce?

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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.” Wk bi- 0 oiddwet8dp-+sg94j l3hich one of the following choices represeglo 4t- 0dbi 8w-spji3k+9 eddnts 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 arghv7spxp/; : xound an iron-filled center. Due to budget cuts, the current that ordinarily runs through this solenoid is cut in half.g:v ;/ppshx7 x 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 positiuezk3u*0;eh7rdi4 f w on A.After a very long time, the switch isefiu7r*kwdhz 04 3;u e 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 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 the2t fic:2:/*6 fznj p u6ih5pc2uirydh circuit (labeled I, II, and III) would result in the initial voltage across the i:ff rd2hcj5/p2cp iyht26z*un i6:u 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 a long time. The instant after pzau3zk0vdfa.hcn8 / (34 nwb 7k ecc;the switch in the circuit labeled S is opened, 8azw 0 n3z3hue4avkc/ nc fb .7(;dpkcwhat 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=1i oyrr*r,nf sqyx-.p, 1je2( m0.0Ω, the inductance is ifmrye1 , s-n r*,x.y 2jr(qopL=5.0 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 cir+xgis48;l dg(p ic: ygcuit to receive a radio station broadcasting at 660 kHz. To receive a station broadcasting at 1320 kHz the capacitor in the RLCi(gslg:8g; dicx +py 4 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 circuit, what is the time difference between all of t2 cd88 gict-yel k lr6m:2gsy.he energy in the circuit being stored in the in :lgde6cy2 - rc2t.gm8y lk8isductor 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 consgmtbb3itv6xi(/ ;c k6 ists of a resistor, capacitor, and inductor connected in series to an AC source. As the source fretvt (k6/x 3m;gicib6bquency increases, the current in the circuit decreases. Which statement about the circuit is NOT correct as the source frequency increases?

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