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Semiconductors & Electronics

JEE Physics • 10 questions • Free on ExamBattle

Practice Questions

  1. Q1

    In an n-type semiconductor, the majority charge carriers are:

    • A. Holes
    • B. Electrons
    • C. Protons
    • D. Ions
  2. Q2

    The depletion region in a p-n junction is formed due to:

    • A. External voltage
    • B. Diffusion of charge carriers
    • C. Light absorption
    • D. Magnetic field
  3. Q3

    A Zener diode is primarily used for:

    • A. Amplification
    • B. Voltage regulation
    • C. Rectification
    • D. Oscillation
  4. Q4

    The output of an AND gate is 1 when:

    • A. Any input is 1
    • B. All inputs are 1
    • C. All inputs are 0
    • D. Inputs are different
  5. Q5

    In a common-emitter transistor amplifier, the input is applied between:

    • A. Collector and emitter
    • B. Base and emitter
    • C. Base and collector
    • D. Any two terminals
  6. Q6

    The energy gap in a conductor is:

    • A. Large (> 3 eV)
    • B. Zero or negligible
    • C. About 1 eV
    • D. Exactly 0.7 eV

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