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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 fo 5b )zx4xr,qcnllowing choices represents the base SI units of inductx 5znqb x),4rcance?

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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.” Whiciwktin exo80y.v.-i+ h one of the following choices represents an equivalent i8o vt-k.0xe ini+wy.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 loob0.fenb 7 jdp+ ed16yyps of wire tightly wrapped around an iron-filled center. Due to budget cuts, the current that ordinarily runs through this solenoid is cut in half. As a result, the inducta bndb .ejy17dp0+e6 yfnce 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.A k(n/mg c6nj7pk6o,ml.rvo2vyt a d01 fter a very long time, the switch is flipped from position A to ,rnkgoo012 .ptmm 6/v(v7ykjd l 6cna 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 h7tj 3xp)8 ,zhx1ef.bpj0( ckla8gknin the circuit (labeled I, II, and III) would result in the initial voltage across the inductor (at the instant tha1( c0a l3k,phjtbx.kf7h gx8e)zn8 j pt 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 inu78 zydo3ytd3 stant after the switch in the circuit labeled S is opened, what zyo3y3t78u ddis 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 n(h6 zun 2.pieR=10.0Ω, the inductance is L=5.0 2ei6znu .nh(pH 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 crmkw,2) gxty ji h;r,g*ystal radio set by means of a simple RLC circuit to receive a ,2 k* ;mwg)jtihg,xyr 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 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 betxq46 idhk+cr.ween all of the energy in the circuit being stored in the inductor and all o.+ci dkx6qrh 4f 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 ofaa8r* mw.yx ,( ass(if a resistor, 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 frequency increaaasysm8.ia *(( , rxwfses?

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