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Diodes and Applications problems

  • 1. Typically the forward voltage on an LED is between _______ and ________.

  • Options
  • A. 1.5 V, 3.7 V
  • B. 0.7 V, 1.1 V
  • C. 1 V, 3 V
  • D. 1 V, 6 V
    • Discuss
  • 2. A two-diode rectifier will not operate without a _________.

  • Options
  • A. center-tapped transformer
  • B. voltage regulator
  • C. capacitive filter
  • D. phase-inverting transformer
    • Discuss
  • 3. Electronics Diodes and Applications: Connecting a ca

    Connecting a capacitor filter to the circuit in the given circuit will___.


  • Options
  • A. produce a nearly-constant dc voltage
  • B. reduce the output voltage
  • C. increase the ripple voltage
  • D. lower the surge current
    • Discuss
  • 4. Special diodes designed to conduct in the reverse direction are called _______________ diodes.

  • Options
  • A. zener
  • B. varactor
  • C. LED
  • D. switching
    • Discuss
  • 5. Electronics Diodes and Applications: Atoms in a silicon
    Atoms in a silicon crystal are held together by ___ bonds.

  • Options
  • A. crystal
  • B. chemical
  • C. electrical
  • D. covalent
    • Discuss
  • 6. ___ occurs when a pn junction is first formed.

  • Options
  • A. Recombination
  • B. Covalent bonding
  • C. Crystallization
  • D. Breakdown
    • Discuss
  • 7. Electronics Diodes and Applications: The peak output

    The peak output voltage from the circuit in the given circuit equals ___.


  • Options
  • A. 3 V
  • B. 3.7 V
  • C. 2.3 V
  • D. 0 V
    • Discuss
  • 8. An electron can move to another atom's orbit only while in the _______.

  • Options
  • A. valence band
  • B. conduction band
  • C. orbit nearest the nucleus
  • D. covalent band
    • Discuss

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