Quiz  /  Tunnel Diode MCQ

  • 1. 
    The tunnel diode is mainly used

  • For very high speed of switching
  • To control the power
  • For rectification
  • For fact chopping

  • 2. 
    The Tunnel diode is best suited for

  • Amplitude limiters
  • Amplifiers
  • Oscillators
  • Rectifiers

  • 3. 
    The tunnelling phenomenon is also known as

  • Bulk semiconductor phenomenon
  • Auto electronic phenomenon
  • Auto electric phenomenon
  • Esaki phenomena

  • 4. 
    Tunnel diode operates very fast in the ………. region.

  • Gamma frequency region
  • Microwave frequency region
  • Radiofrequency region
  • Ultraviolet frequency region

  • 5. 
    Which among the following is the reason for the depletion layer of the tunnel diode to be very small?

  • 1 only
  • 1 and 3
  • 3 only
  • 2 and 3

  • 6. 
    The tunnelling involves

  • Dopants are high and it is abrupt
  • It’s used at very high-frequency ranges
  • Uses positive conductance property
  • Tunneling effect

  • 7. 
    What are the materials used to make the Tunnel diode?

  • Acceleration of electron in p side
  • Movement of electrons from the n-side of the conduction band to the p-side of the valance band
  • Charge distribution management in both the bands
  • Positive slope characteristic of the diode

  • 8. 
    In the construction of tunnel diode, why is the pellet soldered to anode contact and a tiny dot to the cathode contact via a mesh screen?

  • AlGaAs
  • AlGaInP
  • ZnTe
  • Silicon and germanium materials

  • 9. 
    For a tunnel diode, when p is the probability that the carrier crosses the barrier ‘W’ is the width ‘e’ is energy

  • For better conduction and reduce inductance respectively
  • For better conduction and reduce inductance respectively
  • For heat dissipation and increase conduction respectively
  • For heat dissipation and reduce induction respectively
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