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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 following choice - xvp gs00ihlpwzmw -+tvhb;nb64( 5es represents the base SI units of induct-l6v4xhe -vgwbnt p 5;p0 w0sh(+imz bance?

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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∙secd 4p17fc.sn j;hu*i 6h) cm t7odzo9:2m ygincond.” Which one of the followinn std4uj*zpm17nhi o7mi.)2cfd; ch c69 :oyg g choices represents 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 lov)ph og4o 1bjlnp o951ops 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 inductance of the solenp 9vglbho p54o1j) 1onoid 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 sho e +o/;eqhwi6( qk2togwn, the switch is moved to position A.After a very long time, the switch is flipped from position A to position B, thereby opening the circuit. At the instant imm(qiqhto g/k;weo 2+6eediately 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 c h3ky3qx0ati4-hj m cq)ovq(6hanges 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 what it is for the circuit shown? yxmh3 -it3qho qq a6v(0jk4)c
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 ary7d 6jmoz.q / + n.hpytkyldb+r x74xhw0*.gfter the switch in the circuit labeled S is opened, what is the voltage across th hh+py+. .w.y r76gbl*zrkjx0d/dm7x onq4 yte 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 sv2) * 0a3nx0xeefbtim x5:cfl hown, the resistance is R=10.0Ω, the inductance is L=5.0 H and the battery 5af*b )2 mnx3x0:0leev xifct 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 nezijt*q ,27rt ixi6 6simple RLC circuit to receive a radio station broadcasting at 660 kHz. To receive a station broadcasting at 1320 kHz the cz tt,n6* 62iqrxjeii7apacitor 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, what6y,ty+ivj*qi/a cjv 4 is the time difference between all of the energy in the circuit being stored in the inductor and all of the energy being storec 4vi*qt 6jy vyja/+,id 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 resistor, capacitor, and inductor 93 b0lp izx))lwp vrx:connected in series to an AC source. As the source frequency increases, the current in the circuit decreases. Which statement about the circuit is 0) prl9wxx :)3bzpvi lNOT correct as the source frequency increases?

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