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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 follow: dn-3)d gocwr qd*7zsing choices represents the base SI units of inductancewq cngo3d7 ds:z-*) rd?

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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∙seconpsv8 5efqi* 7 hs+nv4hd.” Which one of the following choices represe7si hv8h4n+5fv pq e*snts 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 lo/6 roixe/+v;jb*:q8djti1jk l rtl p 7ops of wire tightly wrapped around an iron-filled center. Due to budget cuts, the current that ordinarily runs through this solenoid is cut in h jljbq/e /dx6t 8i*+klitor1p :;rv j7alf. 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 ktpltot.8+wp- n*ys :ftu,k2 shown, the switch is moved to position A.After a very long time, the switch is flipped from position A to position B, thereby openin. sl,wp y-* u2t8ttfknkt:+opg 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 c7 o)o.p7 glbg b*rw)4/haqoco hanges in the circuit (labeled I, II, and III) would result in the initial voltage across the inductor (at the instant that the switch is closed) to be double g7/7w obo *.arlpc4qo )gob)hwhat 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 ur ab-u8y:pp8 for a long time. The instant after th8:rbp y- u8uape switch in the circuit labeled 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=10.0Ω, th 2v,3 p*lkmvpwe inductance is L=5.0 H and the battery h 3,mpkvp*lvw2 as 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 ci:x 3nd0o1 kc,6cjbpcurcuit to receive a radio station broadcasting at 660 kHz. To receive a station broadck:1cu xc6cdjbnpo 3, 0asting 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 cirk4bh1306i iqr+ gb akrcuit, 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 in the capacit bkiqa31rg40 brh+ 6kior?

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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 resisto75 8hyy p;jd-dquzrqvco)fm589j/ yur, capacitor, and inductor connected in series to an AC source. As the source frequency increases, the current in the circuit decreayr dmh u/zoyyjd89 55p v7-)j8q fcu;qses. Which statement about the circuit is NOT correct as the source frequency increases?

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