Electrical Machines and Magnetic Circuits Quiz
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Electrical Machines and Magnetic Circuits Quiz

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@AlluringLemur

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Questions and Answers

Which of the following best describes a magnetic circuit?

  • A closed path followed by lines of magnetic flux. (correct)
  • A closed path followed by lines of electric flux.
  • An open path followed by lines of electric flux.
  • An open path followed by lines of magnetic flux.

    • What is the role of a copper wire in confining electric current?

  • It increases the conductivity of the electric current. (correct)
  • It decreases the conductivity of the electric current.
  • It increases the permeability of the electric current.
  • It decreases the permeability of the electric current.

    • What is the driving force that causes a magnetic field in a magnetic circuit?

  • Electric current
  • Electromotive force (correct)
  • Magnetic flux
  • Permeability

    • What unit is used to express the value of magnetomotive force?

    <p>Ampere turns</p> Signup and view all the answers

    What is the symbol for magnetomotive force?

    <p>MMF</p> Signup and view all the answers

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