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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 osp)zi5o ewipw 7b5rj.; ss:c8 f inductan w7 c .oisz):;ib8 prjpwse5s5ce?

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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 unk gg9q++pz*w;:z ckj bits of “ohm∙second.” Which one of the follokb wk+zqg+ ;pj9z:*cgwing 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 ws ,/r pi6 jyfw0 dujs2xt17i)iith N loops of wire tightly wrapped around an iron-filled center. Due to budget cuts, the current that ordinariwx /j1 tudpiis60,f7) j sry2ily 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 moved t314 hx.iq *8h ur:wfxylvf(pf8es ko 1o 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 shqhh8f3y ws1uo fp *.x1fir4:l8(xvekown 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 isnhf kd(7ud cr;5ju0+s shown. Which of the suggested changes in the circuit (labeled I, II, and III) would result in the initial volta05rh+jn duf sd7c u(;kge 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 rwd 8zm,.n o.lbeen operating for a long time. The instant after the switch in the circuit labeled S is opened, what is the voltage across the zd,rnl8. .mow 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 ciy o9+)cpdn:dr( cv+djm7nq /mrcuit shown, the resistance is R=10.0Ω, the inductance is L=5.0 H /cr mqd7ov)++n9n j(cmd:y dpand 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 crysta 32: c9*ghiabywp:dz cl radio set by means of a simple RLC circuit to receive a 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 ay3c:g29h :i*dc bwpz 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 between all of the enm*2y g)4zwoyrergy in the circuit being stoo rgz yy)*wm42red in 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 of a resistor, capacitor, ak g /ghn9s7wy-nd 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 frequengghyn -9w 7ks/cy increases?

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