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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 /4nxkt .7dvtqi q15vq choices represents the base SI units of inductat1/vdqnitx7q k4v5. qnce?

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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 ts5w*p; - phk g:y*ebounits of “ohm∙second.” Which one of the following choices represents tw:s*gy5 ;k-he *oppban 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 wire tightlyv22.d)g og6 u9w9ksoqa ru)d h wrapped around an iro9 uadgw. 22dqk)9hroo suvg6 )n-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 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 moved4q:sc*ljqz:w sgic iu)),vv8a l3ff7gk; ue; 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 immediately following the flip of the switch, the DC voltmeter shown registers a voi v8: 7;cq,slug qw;vzgus*)i4ffae ) l3:kcjltage 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 sugges nd /1o9i1n)qt 8p:tuk xrv+wbted 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 closed)1b1doivr+ qtk:tux 9n npw8/) 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 5 cqizs ,b:f,va long time. The instant after the switch in the circuit labeled S is ,bv i:,czq5s fopened, 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, the indum rke ; xn(hzsd6vx28(ctance is L=5.0 H andde;vsz2nx6(8xkmh r( 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 crystal r9jgd6 c; omc vi7)x jghcn(r41adio set by means of a simple RLC circuit to receive a radio staj6j odr i(cc;h m1)g9vx7cg4n tion 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 iu hr6pee)n*g0 ad( 2dde3q a6ps the time difference between all of the energy in the circuit being stored ire )q 6d2dgde*60pha3eu(npa n 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 og5hfn,z/w z( tf a resistor, capacitor, and inductor connected in series to an AC sourc,nw5 /zf gtz(he. As the source frequency increases, the current in the circuit decreases. Which statement about the circuit is NOT correct as the source frequency increases?

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