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Author Question: An ac signal is applied across a 40-mH inductor and a 100- resistor. If the power factor of this ... (Read 50 times)

Marty

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on: Jul 29, 2018
An ac signal is applied across a 40-mH inductor and a 100- resistor. If the power factor of this circuit is 0.40, what is the frequency of the ac signal?
 
  A) 160 Hz B) 910 Hz C) 410 Hz D) 600 Hz E) 200 Hz

Question 2

A rotating diatomic molecule has rotational quantum number l. The energy DIFFERENCE between adjacent energy levels
 
  A) is independent of l. B) decreases as l increases.
  C) is the same for all changes in l. D) increases as l increases.


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courtney_bruh

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

B

Answer to Question 2

D


Marty

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Reply #2 on: Jul 29, 2018
TY


courtney_bruh

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Reply #3 on: Jul 29, 2018
You're welcome


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