Transformer Parameters and Efficiency Quiz

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Questions and Answers

What is the turns ratio denoted by?

  • Np/Ns
  • Vp/Vs (correct)
  • Vs/Vp
  • Ip/Is

What is the open circuit test used to determine?

  • Parameters of the transformer’s equivalent circuit (correct)
  • Efficiency of the transformer
  • Effect of different load conditions on the voltage regulation
  • Turns ratio of the transformer

How is the turns ratio (a) calculated?

  • Vp/Np = Vs/Ns (correct)
  • Vp*Is = Vs*Ns
  • Vp*Np = Vs*Ns
  • Vp/Ns = Vs/Np

What is the symbol for the turns ratio?

<p>a (D)</p> Signup and view all the answers

What does the open-circuit test involve?

<p>Open-circuiting the transformer’s secondary winding (A)</p> Signup and view all the answers

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