Transformer Operation and Faraday's Law Quiz
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Questions and Answers

What happens when an A.C. supply is given to the primary winding?

  • It increases the resistance in the secondary winding
  • It produces magnetic flux completing its path through S1 and S2 (correct)
  • It causes a short circuit between S1 and S2
  • It produces e.m.f. in the secondary winding

    • According to Faraday's law of electromagnetic induction, what leads to the production of e.m.f. in the secondary winding?

  • The resistance in the primary winding
  • The connection of S1 and S2 in parallel
  • The number of conductors in the secondary winding linked by the flux (correct)
  • The phase difference between S1 and S2

    • What is done to convert the output of S1 and S2 into a single output?

  • They are kept separate from each other
  • They are wound in the same direction
  • They are connected in series with a phase difference of 180 degrees (correct)
  • They are connected in parallel

    • What is the relationship between the output of S1 and S2 and the differential output voltage?

    <p>The differential output voltage is the difference between ES1 and ES2</p> Signup and view all the answers

    What does connecting S1 and S2 in series with a 180-degree phase difference achieve?

    <p>It results in a differential output voltage</p> Signup and view all the answers

    Explain the role of the primary winding when an A.C. supply is given to it.

    <p>The primary winding produces magnetic flux that completes its path through S1 and S2.</p> Signup and view all the answers

    How is the output of S1 and S2 combined to get a single output?

    <p>S1 and S2 are connected in series with a 180-degree phase difference.</p> Signup and view all the answers

    What is the key principle behind Faraday's law of electromagnetic induction in this context?

    <p>The flux linked to the secondary windings due to the primary winding leads to e.m.f. production.</p> Signup and view all the answers

    Explain the significance of the phase difference of 180 degrees between S1 and S2.

    <p>The phase difference ensures that the outputs of S1 and S2 are subtracted to obtain the differential output voltage.</p> Signup and view all the answers

    How is the differential output voltage calculated in this setup?

    <p>The differential output voltage (Eo) is the difference between the output voltages of ES1 and ES2.</p> Signup and view all the answers

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