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Author Question: An AC series circuit contains a resistor of 20 W, an inductor of 50 mH, and a variable capacitor. If ... (Read 70 times)

asmith134

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on: Jul 28, 2018
An AC series circuit contains a resistor of 20 W, an inductor of 50 mH, and a variable capacitor. If the frequency of the applied voltage is 500 Hz, to what setting should the capacitor be set if resonance is achieved?
 a. 2.4 F
  c. 2.0 F
  b. 3.4 F
  d. 0.8 F

Question 2

If the intensity of a sound is increased by a factor of 1000, how is the decibel level changed? The new decibel level will be:
 a. three units greater.
  c. thirty times greater.
  b. ten times greater.
  d. twenty units greater.


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janeli

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Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

C


asmith134

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Reply #2 on: Jul 28, 2018
Both answers were spot on, thank you once again


janeli

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Reply #3 on: Jul 28, 2018
Great! Please up vote :D


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