Analog Electronics
What does MOS stand for?

  Metal - oxide semiconductor.
  Metal - on silicon.
  Metal - oxide silicon.
  None of them.

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Analog Electronics
The typical input stage of an opamp has a

  differential input and single - ended output.
  single - ended input and single-ended output.
  single - ended input and differential output.
  differential input and differential output.

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Analog Electronics
Pinch-off voltage in a JFET is

 the gate to source voltage that gives unity drain current.
 the drain voltage that gives infinite drain current.
 the gate to source voltage that gives zero drain current.
 the drain voltage that gives zero drain current.

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Analog Electronics
Why is silicon preferred than germanium ?

 Leakage current due to minority charge carrier is less in silicon
 Silicon has higher tolerance to temperature
 Current sensitivity of silicon with temperature is less
 All the above

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