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Home Electronics Thyristors and Tranducers Comments

  • Question
  • A thermistor is a semiconductor device that acts like a piezoresistive resistor.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • False 


  • Thyristors and Tranducers problems


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    • 1. The gate of a TRIAC can turn it on to have current flow in either direction.

    • Options
    • A. True
    • B. False
    • Discuss
    • 2. A DIAC is a bidirectional diode that has a symmetrical switching mode.

    • Options
    • A. True
    • B. False
    • Discuss
    • 3. A photodiode is a device that produces light.

    • Options
    • A. True
    • B. False
    • Discuss
    • 4. The DIAC conducts in only one direction when gated on.

    • Options
    • A. True
    • B. False
    • Discuss
    • 5. A TRIAC will control AC voltage during the positive half cycle only.

    • Options
    • A. True
    • B. False
    • Discuss
    • 6. SCRs are four-layer devices that are either fully conducting or not conducting.

    • Options
    • A. True
    • B. False
    • Discuss
    • 7. A silicon-controlled rectifier (SCR) has 3 terminals labeled base, collector, and emitter.

    • Options
    • A. True
    • B. False
    • Discuss
    • 8. To turn an SCR off, simply remove the gate voltage.

    • Options
    • A. True
    • B. False
    • Discuss
    • 9. The optically coupled isolator interrupter module is used to transfer switching information between two electrically isolated points.

    • Options
    • A. True
    • B. False
    • Discuss
    • 10. A semiconductor using the hall effect will detect magnetic fields.

    • Options
    • A. True
    • B. False
    • Discuss


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