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Author Question: Which of the following systems would be most likely to produce a power waveform that would require a ... (Read 25 times)

sjones

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on: Jul 24, 2018
Which of the following systems would be most likely to produce a power waveform that would require a true RMS meter to accurately measure?
 
  A) An incandescent light controlled by a toggle switch
  B) A shaded-pole motor controlled by a relay
  C) A three-phase motor controlled by a variable-frequency drive
  D) An electric strip heater controlled by a contactor

Question 2

What category of electric meter is intended only for measurement inside an appliance?
 
  A) Category II B) Category IV C) Category III D) Category I


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Ddddd

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Reply #1 on: Jul 24, 2018
Answer to Question 1

C

Answer to Question 2

D


sjones

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Reply 2 on: Jul 24, 2018
Wow, this really help

Joy Chen

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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