Alternating Current Power Calculations


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question 1 of 3

Which of the following is the definition of an AC circuit?

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1. In an AC current, how does the voltage compare from one moment to the next?

2. If the maximum (peak) value of voltage in an AC-circuit is 240 volts, what is the rms value of the voltage?

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About This Quiz & Worksheet

This quiz and worksheet will assess your understanding of calculating alternating current power. Concepts which you will need to know include how voltage alternates from one moment to the next.

Quiz & Worksheet Goals

Use these assessment tools to:

  • Define AC circuit
  • Determine rms value of a given AC-circuit
  • Calculate wattage in a light bulb
  • Understand current switches in a typical household circuit

Skills Practiced

This worksheet and quiz let you practice the following skills:

  • Making connections - use understanding of the concept of AC circuits
  • Problem solving - use acquired knowledge to solve rms value of voltage practice problems
  • Knowledge application - use your knowledge to answer questions about watts of power

Additional Learning

To learn more about calculating alternating current power, review this lesson called Alternating Current Power Calculations. The lesson covers the following objectives:

  • Define power
  • Identify how to calculate alternating current