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Author Question: When an LRC series circuit is at resonance, which one of the following statements about that circuit ... (Read 38 times)

biggirl4568

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on: Jul 29, 2018
When an LRC series circuit is at resonance, which one of the following statements about that circuit is accurate? (There may be more than one correct choice.)
 
  A) The reactance due to the inductor and capacitor has its maximum value.
  B) The reactance of the capacitor is zero.
  C) The current amplitude is a maximum.
  D) The reactance of the inductor is zero.
  E) The impedance has its maximum value.

Question 2

What is the longest wavelength of electromagnetic radiation that will eject photoelectrons from sodium metal for which the work function is 2.28 eV? (c = 3.00  108 m/s, h = 6.626  10-34 J  s, 1 eV = 1.60  10-19 J)
 
  A) 580 nm
  B) 499 nm
  C) 633 nm
  D) 668 nm
  E) 545 nm


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cloud

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Reply #1 on: Jul 29, 2018
Answer to Question 1

C

Answer to Question 2

E


biggirl4568

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Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

kjohnson

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Reply 3 on: Yesterday
Gracias!

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