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Author Question: The standard frequency of alternating current in the United States is _____. a. 50Hz b. 60Hz c. ... (Read 39 times)

itsmyluck

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The standard frequency of alternating current in the United States is _____.
 
  a. 50Hz
  b. 60Hz
  c. 120Hz
  d. 360Hz

Question 2

The part of a DC generator that transmits the current from the generator to its external circuit is(are) the
  _____.
 
  a. brushes
  b. commutator
  c. armature
  d. slip rings



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fdliggud

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Answer to Question 1

b

Answer to Question 2

a




itsmyluck

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Reply 2 on: Jul 24, 2018
Gracias!


scikid

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Reply 3 on: Yesterday
Wow, this really help

 

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