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Author Question: The primary of a transformer A) has an iron core. B) may or may not have an iron core. C) has ... (Read 132 times)

stevenposner

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on: Jul 29, 2018
The primary of a transformer
 
  A) has an iron core.
  B) may or may not have an iron core.
  C) has more turns of wire than the secondary.
  D) none of the above

Question 2

A step-up transformer steps up voltage by ten times. Neglecting slight losses, if 100 W of power go into the primary coil, the power coming from the secondary coil is
 
  A) 1 W.
  B) 10 W.
  C) 100 W.
  D) 1000 W.
  E) none of the above


angrybirds13579

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

Answer: B

Answer to Question 2

Answer: C


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stevenposner

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Reply #2 on: Jul 29, 2018
Thank you!


angrybirds13579

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Reply #3 on: Jul 29, 2018
Always glad to help...


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