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Analog Electronics

Analog Electronics
Which of following is the fastest switching device ?

  JFET.
  BJT.
  MOSFET.
  Triode.

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Analog Electronics
Example of donor atom is

 Germinium
 Both A and B
 Antimony
 Silicon

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Analog Electronics
Which of the following oscillators are used for low frequency (LF) applications

 LC oscillators
 None
 RC oscillators
 Both LC and RC Oscillators

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Analog Electronics
The main factor which makes a MOSFET likely to breakdown during the normal handling

  both (A) and (C).
  very low gate capacitance.
  high input resistance.
  high leakage current.

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Analog Electronics
A semiconductor material is formed by

 Metallic bonds
 Covalent bonds
None of these
 Electrovalent bonds

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Analog Electronics
For a diode, reverse recovery time is defined as the time between the instant diode current becomes zero and the instant reverse recovery current decays to

 15% of reverse peak current.
 10% of reverse peak current.
  25% of reverse peak current.
 0.

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