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Author Question: The primary winding of an electric train transformer has 400 turns and the secondary has 50 . If the ... (Read 82 times)

naturalchemist

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on: Jul 28, 2018
The primary winding of an electric train transformer has 400 turns and the secondary has 50 . If the input voltage is 120V(rms) what is the output voltage?
 a. 15 V (rms)
  b. 30 V (rms)
  c. 60 V (rms)
  d. 2.4 V (rms)
  e. 960 V (rms)

Question 2

The closest star to the Sun is about how far away?
 a. 17.7 light-years
  b. 0.52 light-years
  c. 33.6 light-years
  d. 4.3 light-years


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yeungji

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

a

Answer to Question 2

d


naturalchemist

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Reply 2 on: Jul 28, 2018
Gracias!

chereeb

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Reply 3 on: Yesterday
Wow, this really help

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