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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 xm :3m:,i4v u p g*udmnvnv32tthe base SI units of inductantv 3u vx n:m:nuv,4 m2i*m3pgdce?

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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.” Which x2s/lhae5 pu5nks0)u6z tw-d one of the following choices represents an equivalent unit)0 k2hu-pw5e sn usx6t/ dz5la?

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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 wr6c: hntkadx vqx wz)ux2896,x apped around an iron-filled center. Due to budget cuts, the current that ordinarily runs through this solenoid is cut in half. As a result, tuxx28qwc naz6kdh9v 6,x)x:t he 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 peju5t c l:87pfosition 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 f78cpj 5leu:tvoltmeter 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 the j7y-w6wni8m;me- izn circuit (labeled I, II, anz ey7ijn;m ww6im-8-nd III) would result in 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 a long time. The instant ifxo9pekk)-irdo +x (lw(05/ hvn z v)after the switch in the circuit ( (v)0dkx+p5)rioovw/-nz9fi k e lhx 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 shodxk .j *dlw3h6wn, the resistance is R=10.0Ω, the inductance is L=5.0 H and the battery has voltagld 63jwd *kh.xe $\xi_{bat}$ = 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 s*7hrnzbe b3.*if kts l+3+x 1wykf1tbimple 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 mwb+l3ib*bek1rt1 xz.ny ts +h3ff *7k ust 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 d1rn :t nygycdfor-744hq6 3qn ifference between all of the energy in the circuit being store6qf74r-ot3h4c:q n r1y ynndgd in the inductor 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 consists of a re r--0f0cl6s (shuhcvjsistor, capacitor, and inductor connected 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 so6lvc0j(hs- c0-u rshf urce frequency increases?

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