Power Electronics Basics

5 Questions | Total Attempts: 620

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Power Electronics Quizzes & Trivia

The term “power electronics” is given to the study of switching electronic circuits in the interest of controlling the flow of electrical energy, and serves as the technology behind a host of electricity-related processes. What do you know about it?


Questions and Answers
  • 1. 
    A silicon controlled rectifier (SCR) is a
    • A. 

      Unijunction device.

    • B. 

      Device with 3 junctions.

    • C. 

      Device with 4 junctions.

    • D. 

      None of the above.

  • 2. 
    Which of the following finds application in speed control of a dc motor?
    • A. 

      FET

    • B. 

      NPN transistor.

    • C. 

      SCR.

    • D. 

      None of the above.

  • 3. 
    A chopper can be used to step up a dc voltage.
    • A. 

      True.

    • B. 

      False.

  • 4. 
    A dc chopper converts directly from dc to dc.
    • A. 

      True.

    • B. 

      False.

  • 5. 
    A triac is a
    • A. 

      2 terminal switch.

    • B. 

      2 terminal bilateral switch.

    • C. 

      3 terminal unilateral switch.

    • D. 

      3 terminal bidirectional switch.

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