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Home ‣ Electronics ‣ Thyristors and Tranducers Comments
  • Question

  • A TRIAC will control AC voltage during the positive half cycle only.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • False 

    • Thyristors and Tranducers problems

    Search Results

    • 1. A TRIAC can be triggered or activated by either a positive or a negative input gate trigger.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. A transducer does not convert energy from one form to another.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. The silicon-controlled rectifier (SCR) is a three-layer device consisting of a gate, an anode, and a cathode.

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. The input resistance of the base of an emitter-follower is usually _________.

    • Options
    • A. very low
    • B. very high
    • C. shorted to ground
    • D. open
      • Discuss
    • 5. The phase difference between the input and output ac voltage signals of a common-emitter amplifier is __________.

    • Options
    • A. 0º
    • B. 90º
    • C. 180º
    • D. 360º
      • Discuss
    • 6. The DIAC conducts in only one direction when gated on.

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

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

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. The gate of a TRIAC can turn it on to have current flow in either direction.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. A thermistor is a semiconductor device that acts like a piezoresistive resistor.

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

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