Transformer Basics Quiz
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Questions and Answers

What is the main function of a transformer?

  • To convert electrical energy to mechanical energy
  • To transfer electrical energy from one circuit to another (correct)
  • To generate electrical energy
  • To store electrical energy

    • What effect does a varying current in any coil of the transformer produce?

  • A varying magnetic flux in the transformer's core (correct)
  • An increase in the transformer's temperature
  • An electrical resistance in the transformer's core
  • A constant magnetic flux in the transformer's core

    • What does Faraday's law of induction describe?

  • The production of static electricity in a coil
  • The relationship between resistance and current in a coil
  • The induced voltage effect in any coil due to a changing magnetic flux encircled by the coil (correct)
  • The method of transferring electrical energy through conductive connections

    • What is the function of step-up or step-down transformers?

    <p>To increase or decrease voltage levels, respectively</p> Signup and view all the answers

    In what year was the first constant-potential transformer invented?

    <p>1885</p> Signup and view all the answers

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