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Author Question: The lowest-pitch tone to resonate in a pipe of length L that is closed at one end and open at the ... (Read 27 times)

krzymel

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on: Jul 29, 2018
The lowest-pitch tone to resonate in a pipe of length L that is closed at one end and open at the other end is 200 Hz. Which one of the following frequencies will NOT resonate in the same pipe?
 
  A) 400 Hz
  B) 600 Hz
  C) 1000 Hz
  D) 1400 Hz
  E) 1800 Hz

Question 2

The voltage across the input terminals of a transformer is 110 V. The primary coil has 50 loops and the secondary has 25 loops. The output is
 
  A) 25 V.
  B) 55 V.
  C) 110 V.
  D) 220 V.
  E) none of the above


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Pariscourtney

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

A

Answer to Question 2

Answer: B


krzymel

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  • Posts: 548
Reply 2 on: Jul 29, 2018
Gracias!

amit

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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