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习题练习:Electricity and Circuits: Inductors

 >作者: admin 发布日期: 2026-05-21 08:56   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 unitsc gn7n-ma. t*m of inductma.nnc7t*mg -ance?

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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 i13xg/ ao)g ; i:xaouvwj7*bhan units of “ohm∙second.” Which one of the following choig 1/ioabu7 a go:)v;wjax*3xhces 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 ti1 mqttnbk-0mk a /v4h4ghtly wrapped around an iron-filled ce4t-a0vt k/bm14nhk qmnter. 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 moved to position8c g+(rp(wm;l sr zk6y A.After a very long time, th 8gz; cw rrk(ymps6+(le 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 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. Whichfv e-bwhz,h2h- v lg:5w4il*w of the suggested 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) to be double what it is for the cfh-weivw wh*h,gz-5 :2b4 vllircuit 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. Thetx h0:37e ,iv 2dn gf)chekpn2 instant after the switchk,2:i ) 3p hntf2ngxcvhe e70d in the circuit labeled S is 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 shown, the td:9v tj+-c mqresistance is R=10.0Ω, the inductance is L=5.0 H and the tt9v:q-m dj c+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 tuneswby4m8c u1o*j20 xfkn),qkhf cy2 u3g a crystal 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 t uby)fjyw82x*fqkc,21go 4mhu n30kche 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 cgvb+( 6lwrx l8ush*l+u9t3 vb ircuit, what is the time difference between all of the energy in the circuit being stored in the in twbsl(xv9*3lvu + blh8g6r +uductor 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 resi nb:r jbazh)j)n7 -yy4stor, capacitor, and inductor connected in series to an AC source. As the source frequency increases, the cur7 bzjy)rha):n- y4nbj rent in the circuit decreases. Which statement about the circuit is NOT correct as the source frequency increases?

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