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Home ‣ Electronics ‣ Diodes and Applications Comments
  • Question

  • A rectifying diode can change ac voltage to dc voltage.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 

    • Diodes and Applications problems

    Search Results

    • 1. Dark current is a small reverse current that flows in a photodiode that is receiving no light.

    • Options
    • A. True
    • B. False
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    • 2. The PIV rating of a diode in a full-wave bridge rectifier is more than that required for a full-wave center-tapped configuration.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. An LED can be tested with an ohmmeter.

    • Options
    • A. True
    • B. False
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    • 4. The diode's characteristic curve shows that current increases when voltage increases.

    • Options
    • A. True
    • B. False
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    • 5. The troubleshooting process for a typical dc power supply contains four steps.

    • Options
    • A. True
    • B. False
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    • 6. The positive lead of a diode is the cathode.

    • Options
    • A. True
    • B. False
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    • 7. A reverse biased diode will act as an open switch.

    • Options
    • A. True
    • B. False
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    • 8. Doping semiconductive material is the process of putting a small amount of pentavalent or trivalent atoms in with tetravalent atoms.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. The barrier potential is the small difference of potential created by positive and negative ions on either side of the depletion region.

    • Options
    • A. True
    • B. False
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    • 10. If a bridge rectifier is used, it is not necessary to use a transformer.

    • Options
    • A. True
    • B. False
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