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Author Question: A series LRC ac circuit has a peak current of 1.0 A with a frequency of 54 kHz. If the resistance ... (Read 49 times)

colton

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on: Jul 29, 2018
A series LRC ac circuit has a peak current of 1.0 A with a frequency of 54 kHz.
 
  If the resistance of the circuit is 51 k, the capacitance of the circuit is 19 F, and the inductance of the circuit is 25 H, determine the average power of the circuit.
  A) 4.1 kW B) 26 kW C) 77 kW D) 7.7 kW

Question 2

If an electron has the same de Broglie wavelength as the wavelength of a 390-nm photon in vacuum, what is the speed of the electron? (melectron = 9.11  10-31 kg, c = 3.0  108 m/s, h = 6.626  10-34 J  s)
 
  A) 1900 m/s
  B) 2100 m/s
  C) 1700m/s
  D) 1500 m/s
  E) 540 m/s


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mjbamaung

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

B

Answer to Question 2

A


colton

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Reply #2 on: Jul 29, 2018
Thanks


mjbamaung

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Reply #3 on: Jul 29, 2018
Welcome :)


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