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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 ij u vo+.wivwm:5; xy+mnduct i+; yx5.:vwmwoumv +jance?

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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 ;5 p3m k+gb ris)/pdalis labeled in units of “ohm∙second.” Which one of the following choi/p;m +i kadp 35rbsg)lces 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 loops of wire tighj4w ahuo2l3 nw3 t(1fptly 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, nw 43wt2h13aojl (upf 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 x)r 5,z9wlik qto position A.After a very long time, the switch is flipped from position A to position B, thereby opening the ciz) qrkl9w,x5 ircuit. 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 oqgvs8/ hj3 me2- eqsnbdy 5-.circuit is shown. Which of the suggested changes in the circuit (labelqs/ ejhom2-q.evydb5n g-s38ed 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?
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 ep xw2kuiz/yh-c:*r 8operating for a long time. The instant after the switch in the circuit labeled S ir:kzchpei y*/8 -w2x us 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 shownidrj4 .;.sp8k z bch4g, the resistance is R=10.0Ω, the inductance is L=5.0 H and the batterskd4ri g b;4p. jhzc.8y 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 cr4hb(k*l hy *pyystal radio set by means of a simple RLC circuit to receive a radio station broadcasting at 660 kHz. To lp4y**y(hh bkreceive 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 thyk:g,mr+*y4 j ddahtr 8s) v(de time difference between all of the energy in the circuit being stored in the inductor and all of the energy v:g ard,y 8+k)tr*d(yh4jsd m 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 resistor, capacitor, and inductor connected in sem ea71 gofmm 9(gh6gh(ries to an AC source. As the source frequency increases, the current in the circuit decreases. Which statement about the circuit is NOomhemgh ( 967gamgf(1T correct as the source frequency increases?

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