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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 base SI units of indu0vr+o:5cbp// b0cp ysy3clyg zn8( eb ctanb g05bv /snyb/zy:3p o+(le ccrc8py0ce?

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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 i g0skv7ov, t4jclq1x4n units of “ohm∙second.” Which one of the following choices repto jvc1,s404k q xvg7lresents 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 wi7bpqk3o+yfm e7qj(p j5m.uj :re tightly wrapped around an iron-filled center. Due to budget cuts, the current that ordinarily runs through this solenoid is cut in half. jp+mqfe p y77m(q3 u5 kj.o:jbAs 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 position A.Apyx *ywjl ;q6 4ik ;uw5wp7mu0fter a very long time, the switch is flipped from position A to position B, thereby opening the circuit. At the instant immediate5yiy pwu0;q* w7kpwxuj4 ;6l mly 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 circuz,3oz6kcme/v wti4y0q l amm1o19s(uit is shown. Which of the suggested changes in the circuit (labeled I, II, and III) would result in the initial voltage across the inductor (at the instant that the switch is closedzw 1om,tqy4v cim619o sle z m0ua3k(/) 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 beenz2ei8av:z8bj tzmc c et79y/9k0)hklgsuq+ 6 operating for a long time. The instant after the switch in the circuit labeled S is opened, what is the voltage across /8)2:ei hum t z89ta kc+geyszkvjqc6lz709 b 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 resis*9 3.bibpi ) psxykoa2 rqn+5ltance is R=10.0Ω, the inductance is L=5.oipl3.bq i9s) + x*k2anrb5p y0 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 qi 8ztr .07yerte.nps j8z0g p)en*s6 a crystal radio set by means of a simple RLC circuit to receive a radio station broadcasting at 660 kHz. To receive a station bro s8qn08epz j.r6st it g*py7.enzre0)adcasting 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 circufy;w*uz 8cp* git, what is the time difference between all of the energy in the circuit being stored in the inductor and all of the energy beiupgw;cy** 8z fng 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 resistrw qb;n 6zd ,0u5k4qipor, 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 source frequencyiw0kq;u br,nq p5z d46 increases?

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