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Author Question: An LRC ac series circuit with R = 15 , L = 25 mH, and C = 30 F, is attached to a 100-V (rms) ac ... (Read 31 times)

dalyningkenk

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on: Jul 29, 2018
An LRC ac series circuit with R = 15 , L = 25 mH, and C = 30 F, is attached to a 100-V (rms) ac power supply. The frequency of the power supply is adjusted so that the circuit is in resonance.
 
  (a) What is the rms current in the circuit?
  (b) What is the power dissipated by the circuit?

Question 2

A diatomic molecule is vibrating in the v = 1 quantum state with a frequency of 2.0  1013 Hz. What is the energy of vibration?
 
  A)
 
  0.041 eV
  B)
 
  0.083 eV
  C)
 
  0.12 eV
  D)
 
  0.15 eV
  E)
 
  0.17 eV


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cloudre37

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

(a) 6.7 A (b) 670 W

Answer to Question 2

C


dalyningkenk

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Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


cloudre37

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Reply #3 on: Jul 29, 2018
Great! Please up vote :D


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