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Electronics Quiz
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Electronics Quiz

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Questions and Answers

In polyphase circuits, circuits or systems in which the ac sources operate at the same frequency but different phases are known as?

  • Phase-shifted
  • Multiphase (correct)
  • Polyphase
  • Single-phase

    • What is the connection type shown in the figure for balanced three-phase system?

  • Y − ∆ connection (correct)
  • Star-Delta connection
  • Star-Star connection
  • Delta-Delta connection

    • What is the main problem that led to the development of AC systems in the late 1880s?

  • Transmission limitation of DC power
  • Inefficiency of DC power
  • Generation limitation of DC power
  • Consumption limitation of DC power (correct)

    • What type of system is represented by the figure of the three-phase transmission line?

    <p>3-phase Transmission</p> Signup and view all the answers

    What limitation of single phase motors led to the necessity of AC systems?

    <p>Inability to start by themselves</p> Signup and view all the answers

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