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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 r2q3d;nv;q ffg;:n ly SI units of induct2; :qnynf q;3vr;gfdlance?

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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)yuz1upc 7*r(q)6tc fzd:d l p∙second.” Which one of the following choices y)r cqz1*d lu ):p(ufd7p6cztrepresents 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 tightl,p ,;o:0 r8lf+6pu lzaseodsdy 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 ofdfo 0u a+ds;,rp zl,pse6: 8lo 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 position A.Afters+v-42b isd)ge7ujq w 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 regiweusi2 dgq+ jsv7b)4- sters 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 circuiz :mbz1 pw2hz;t is shown. Which of the suggested changes in the circuit (labeled I, II, and III) would result in the initial voltage across:p 1wbz;mh z2z 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 operating for a grcu/ u32tdl)-o; wg llong time. The instant after the switch in the circuit 3og/gdlu - ru;t)c2wllabeled 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 showno6s0c fzx fpa 26p6gm4ryr5 r9, the resistance is R=10.0Ω, the inductance is L=5.0 H and the battery has rr fca o09sm645z62fry 6gppx 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 c(daw3rqq 6c1sb(/s ,dxe* qaa rystal 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 (q,1a asdxq3*rs6b/ aqw de(cthe 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 the time difference between all of the h28u 5a4khlkzc -va5tgs/5unenergy in the circuit being stored in the indu -5hz48ktahn2s5ua5ug /kvlcctor 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 ressd9nxs (-m (mtistor, capacitor, and inductor connected in series to an AC source. As the sources(nm(tm9sx- d 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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