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RCDD-002 · Question #350

Which of the following BEST describes the frequency in alternating current (AC) power?

The correct answer is B. The number of full cycles that a signal completes in one second. For power, this is expressed in. See the full explanation below for the reasoning.

Question

Which of the following BEST describes the frequency in alternating current (AC) power?

Options

  • AThe capacity of the power system stated in volt-amperes (VA) or watts (w).
  • BThe number of full cycles that a signal completes in one second. For power, this is expressed in
  • CThe amount of power consumed by a circuit at any given time.
  • DThe range of the sine wave express as voltage or current.
  • ETypically 120 or 208 volts depending on the country.

How the community answered

(44 responses)
  • A
    7% (3)
  • B
    73% (32)
  • C
    2% (1)
  • D
    14% (6)
  • E
    5% (2)

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Full RCDD-002 Practice