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Author Question: A transformer is to be designed to increase the 30 kV (rms) output of a generator to the ... (Read 32 times)

lunatika

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A transformer is to be designed to increase the 30 kV (rms) output of a generator to the transmission line voltage of 345 kV (rms). If the primary winding has 60 turns, how many turns must the secondary have?
 a. 57
  c. 690
  b. 6900
  d. 11

Question 2

A sound intensity of 70 dB is observed at a distance d from the source of sound. What sound intensity would be observed at a distance 2d from the source?
 a. 68 dB
  c. 64 dB
  b. 67 dB
  d. 62 dB



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Tonyam972

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Answer to Question 1

C

Answer to Question 2

C




lunatika

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Reply 2 on: Jul 28, 2018
:D TYSM


parker125

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

 

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