Alternating Current (AC) Fundamentals Quiz
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Questions and Answers

What is the usual waveform of alternating current in most electric power circuits?

  • Triangular wave
  • Square wave
  • Sawtooth wave
  • Sine wave (correct)
  • Why is electrical energy distributed as alternating current?

  • AC voltage may be increased or decreased with a transformer (correct)
  • DC voltage may be increased or decreased with a transformer
  • AC voltage cannot be transformed
  • DC voltage is too dangerous for distribution
  • In what form is electric power delivered to businesses and residences?

  • Alternating current (AC) (correct)
  • Triangular current
  • Square current
  • Direct current (DC)
  • What are examples of information carried by alternating current?

    <p>Sound (audio) and images (video)</p> Signup and view all the answers

    In certain applications, like guitar amplifiers, what type of waveforms are used?

    <p>Triangular waves or square waves</p> Signup and view all the answers

    Study Notes

    Alternating Current (AC) in Electric Power Circuits

    • The usual waveform of alternating current in most electric power circuits is a sine wave.
    • Alternating current is used for electrical energy distribution due to its ease of transformation to high or low voltages using transformers.

    Delivery of Electric Power

    • Electric power is delivered to businesses and residences as alternating current.

    Information Carried by Alternating Current

    • Alternating current is used to transmit audio signals, such as music and voice, in applications like radio broadcasting and telephones.

    Specialized Applications of Alternating Current

    • In certain applications, like guitar amplifiers, triangular or square waveforms are used instead of sine waves.

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    Description

    Test your knowledge of alternating current (AC) with this quiz. Explore the fundamentals of AC, its characteristics, applications, and differences from direct current (DC). See how much you know about the form of electrical energy used in homes and businesses.

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